diff --git a/doc/1.1/classdiagram-Page-1-1.1.svg b/doc/1.1/classdiagram-Page-1-1.1.svg
deleted file mode 100644
index d7490c2..0000000
--- a/doc/1.1/classdiagram-Page-1-1.1.svg
+++ /dev/null
@@ -1,3 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="1632px" height="932px" viewBox="-0.5 -0.5 1632 932" content="&lt;mxfile host=&quot;www.draw.io&quot; modified=&quot;2020-01-29T13:20:57.504Z&quot; agent=&quot;Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_2) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.4 Safari/605.1.15&quot; etag=&quot;TE8vMM1r6eovPn9hF26c&quot; version=&quot;12.6.1&quot; type=&quot;device&quot; pages=&quot;2&quot;&gt;&lt;diagram id=&quot;MxademQTiYvtQCVb_gz8&quot; name=&quot;Page-1&quot;&gt;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&lt;/diagram&gt;&lt;diagram id=&quot;Nmcg78wJzheiyKvJY45I&quot; name=&quot;Page-2&quot;&gt;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&lt;/diagram&gt;&lt;/mxfile&gt;" style="background-color: rgb(255, 255, 255);"><defs><clipPath id="mx-clip-844-125-562-140-0"><rect x="844" y="125" width="562" height="140"/></clipPath><clipPath id="mx-clip-34-31-432-74-0"><rect x="34" y="31" width="432" height="74"/></clipPath><clipPath id="mx-clip-34-113-432-112-0"><rect x="34" y="113" width="432" height="112"/></clipPath><clipPath id="mx-clip-194-291-152-44-0"><rect x="194" y="291" width="152" height="44"/></clipPath><clipPath id="mx-clip-194-337-152-26-0"><rect x="194" y="337" width="152" height="26"/></clipPath><clipPath id="mx-clip-1474-111-152-54-0"><rect x="1474" y="111" width="152" height="54"/></clipPath><clipPath id="mx-clip-1474-173-152-26-0"><rect x="1474" y="173" width="152" height="26"/></clipPath><clipPath id="mx-clip-544-31-242-54-0"><rect x="544" y="31" width="242" height="54"/></clipPath><clipPath id="mx-clip-544-93-242-80-0"><rect x="544" y="93" width="242" height="80"/></clipPath><clipPath id="mx-clip-544-173-242-80-0"><rect x="544" y="173" width="242" height="80"/></clipPath></defs><g><path d="M 150 445 L 150 270 L 150 222.5" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 260 687.5 L 260 910 L 1150 910 L 1150 260 L 1125 260" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 0 430 L 40 430 L 40 444 L 260 444 L 260 930 L 0 930 L 0 444 Z" fill="#ffffff" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/><path d="M 0 444 L 40 444" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/><path d="M 620 580 L 620 607.5 L 580 607.5 L 580 340 L 420 340 L 420 220" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 620 442 L 660 442 L 660 456 L 1100 456 L 1100 702 L 620 702 L 620 456 Z" fill="#ffffff" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/><path d="M 620 456 L 660 456" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-end; justify-content: unsafe flex-start; width: 1px; height: 1px; padding-top: 439px; margin-left: 622px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; font-weight: bold; white-space: nowrap; ">remoteException</div></div></div></foreignObject><text x="622" y="439" fill="#000000" font-family="Helvetica" font-size="12px" font-weight="bold">remoteException</text></switch></g><path d="M 532 750 L 1125 750 L 1125 260 L 1062.5 260" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 302 434 L 342 434 L 342 448 L 532 448 L 532 884 L 302 884 L 302 448 Z" fill="#ffffff" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/><path d="M 302 448 L 342 448" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-end; justify-content: unsafe flex-start; width: 1px; height: 1px; padding-top: 431px; margin-left: 304px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; font-weight: bold; white-space: nowrap; "><div>exception</div></div></div></div></foreignObject><text x="304" y="431" fill="#000000" font-family="Helvetica" font-size="12px" font-weight="bold">exception</text></switch></g><path d="M 840 26 L 840 0 L 1410 0 L 1410 26" fill="#ffffff" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/><path d="M 840 26 L 840 260 L 1410 260 L 1410 26" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 840 26 L 1410 26" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g fill="#000000" font-family="Helvetica" font-weight="bold" text-anchor="middle" font-size="12px"><text x="1124.5" y="17.5">ClientManagementUDP</text></g><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe flex-start; width: 1px; height: 1px; padding-top: 56px; margin-left: 842px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: none; white-space: nowrap; "><div>- String baseDirectory</div><div>- int UDPPort</div><div>- String host</div><div>- DatagramSocket socket<br /></div></div></div></div></foreignObject><text x="842" y="60" fill="#000000" font-family="Helvetica" font-size="12px">- String baseDirectory...</text></switch></g><path d="M 840 103 L 1410 103" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g fill="#000000" font-family="Helvetica" clip-path="url(#mx-clip-844-125-562-140-0)" font-size="12px"><text x="845.5" y="137.5">+ ClientManagementUDP(String baseDirectory, String host, int UDPPort)</text><text x="845.5" y="151.5">+ void run()</text><text x="845.5" y="165.5">+ void download(String filename) throws EmptyFile, NotFound, InternalError, UnknownHostException,</text><text x="845.5" y="179.5">IoException, TransmissionError, ProtocolError, VersionError, SizeError, InternalRemoteError,</text><text x="845.5" y="193.5">ProtocolRemoteError, VersionRemoteError</text><text x="845.5" y="207.5">+ String[] listDirectory() throws EmptyDirectory, InternalError, UnknownHostException, IOException,</text><text x="845.5" y="221.5">TransmissionError, ProtocolError, VersionError, SizeError, InternalRemoteError,</text><text x="845.5" y="235.5">ProtocolRemoteError, VersionRemoteError</text></g><path d="M 30 26 L 30 0 L 470 0 L 470 26" fill="#ffffff" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 30 26 L 30 220 L 470 220 L 470 26" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 30 26 L 470 26" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g fill="#000000" font-family="Helvetica" font-weight="bold" text-anchor="middle" font-size="12px"><text x="249.5" y="17.5">ServerManagementUDP</text></g><g fill="#000000" font-family="Helvetica" clip-path="url(#mx-clip-34-31-432-74-0)" font-size="12px"><text x="35.5" y="43.5">- String[] fileList</text><text x="35.5" y="57.5">- String baseDirectory</text><text x="35.5" y="71.5">- int UDPPort</text><text x="35.5" y="85.5">- DatagramSocket socket</text></g><path d="M 30 104 L 470 104" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g fill="#000000" font-family="Helvetica" clip-path="url(#mx-clip-34-113-432-112-0)" font-size="12px"><text x="35.5" y="125.5">+ ServerManagementUDP(String baseDirectory, int UDPPort)</text><text x="35.5" y="139.5">+ void run()</text><text x="35.5" y="153.5">- void initFileList()</text><text x="35.5" y="167.5">- void sendInternalError(ProtocolP2PDatagram pd)</text></g><path d="M 190 286 L 190 260 L 350 260 L 350 286" fill="#ffffff" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 190 286 L 190 358 L 350 358 L 350 286" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 190 286 L 350 286" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g fill="#000000" font-family="Helvetica" font-weight="bold" text-anchor="middle" font-size="12px"><text x="269.5" y="277.5">ServerP2P</text></g><g fill="#000000" font-family="Helvetica" clip-path="url(#mx-clip-194-291-152-44-0)" font-size="12px"><text x="195.5" y="303.5">- int port</text><text x="195.5" y="317.5">- String directory </text></g><path d="M 190 331 L 350 331" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g fill="#000000" font-family="Helvetica" clip-path="url(#mx-clip-194-337-152-26-0)" font-size="12px"><text x="195.5" y="349.5">+void main()</text></g><path d="M 630 290 L 450 290 L 450 220" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 650 290 L 930 290 L 930 260" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><ellipse cx="637" cy="290" rx="7" ry="7" fill="#ffffff" stroke="#000000" pointer-events="none"/><path d="M 640 280 Q 650 280 650 290 Q 650 300 640 300" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 310px; margin-left: 640px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: none; white-space: nowrap; ">Runnable</div></div></div></foreignObject><text x="640" y="314" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">Run...</text></switch></g><path d="M 1470 106 L 1470 80 L 1630 80 L 1630 106" fill="#ffffff" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 1470 106 L 1470 194 L 1630 194 L 1630 106" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 1470 106 L 1630 106" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g fill="#000000" font-family="Helvetica" font-weight="bold" text-anchor="middle" font-size="12px"><text x="1549.5" y="97.5">ClientP2P</text></g><g fill="#000000" font-family="Helvetica" clip-path="url(#mx-clip-1474-111-152-54-0)" font-size="12px"><text x="1475.5" y="123.5">- String host</text><text x="1475.5" y="137.5">- int port</text><text x="1475.5" y="151.5">- String directory</text></g><path d="M 1470 164 L 1630 164" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g fill="#000000" font-family="Helvetica" clip-path="url(#mx-clip-1474-173-152-26-0)" font-size="12px"><text x="1475.5" y="185.5">+ void main()</text></g><path d="M 1470 132.5 L 1470 140 L 1410 140" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><rect x="30" y="460" width="190" height="60" fill="#ffffff" stroke="#000000" pointer-events="none"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 190px; height: 60px; padding-top: 460px; margin-left: 30px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; width: 190px; height: 60px; overflow: hidden; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: none; width: 100%; height: 100%; white-space: nowrap; "><p style="margin: 0px ; margin-top: 4px ; text-align: center">java.net.DatagramSocket</p><hr size="1" /><div style="height: 2px"></div></div></div></div></foreignObject><text x="30" y="472" fill="#000000" font-family="Helvetica" font-size="12px">java.net.DatagramSocket&#xa;</text></switch></g><rect x="30" y="540" width="190" height="60" fill="#ffffff" stroke="#000000" pointer-events="none"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 190px; height: 60px; padding-top: 540px; margin-left: 30px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; width: 190px; height: 60px; overflow: hidden; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: none; width: 100%; height: 100%; white-space: nowrap; ">java.net.SocketException</div></div></div></foreignObject><text x="30" y="552" fill="#000000" font-family="Helvetica" font-size="12px">java.net.SocketException</text></switch></g><rect x="30" y="620" width="190" height="60" fill="#ffffff" stroke="#000000" pointer-events="none"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 190px; height: 60px; padding-top: 620px; margin-left: 30px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; width: 190px; height: 60px; overflow: hidden; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: none; width: 100%; height: 100%; white-space: nowrap; ">java.nio.file.Paths</div></div></div></foreignObject><text x="30" y="632" fill="#000000" font-family="Helvetica" font-size="12px">java.nio.file.Paths</text></switch></g><rect x="30" y="700" width="190" height="60" fill="#ffffff" stroke="#000000" pointer-events="none"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 190px; height: 60px; padding-top: 700px; margin-left: 30px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; width: 190px; height: 60px; overflow: hidden; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: none; width: 100%; height: 100%; white-space: nowrap; ">java.nio.file.Files</div></div></div></foreignObject><text x="30" y="712" fill="#000000" font-family="Helvetica" font-size="12px">java.nio.file.Files</text></switch></g><rect x="30" y="790" width="190" height="60" fill="#ffffff" stroke="#000000" pointer-events="none"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 190px; height: 60px; padding-top: 790px; margin-left: 30px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; width: 190px; height: 60px; overflow: hidden; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: none; width: 100%; height: 100%; white-space: nowrap; ">java.util.Arrays</div></div></div></foreignObject><text x="30" y="802" fill="#000000" font-family="Helvetica" font-size="12px">java.util.Arrays</text></switch></g><rect x="322" y="694" width="190" height="60" fill="#ffffff" stroke="#000000" pointer-events="none"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 190px; height: 60px; padding-top: 694px; margin-left: 322px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; width: 190px; height: 60px; overflow: hidden; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: none; width: 100%; height: 100%; white-space: nowrap; ">InternalError</div></div></div></foreignObject><text x="322" y="706" fill="#000000" font-family="Helvetica" font-size="12px">InternalError</text></switch></g><rect x="322" y="464" width="190" height="60" fill="#ffffff" stroke="#000000" pointer-events="none"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 190px; height: 60px; padding-top: 464px; margin-left: 322px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; width: 190px; height: 60px; overflow: hidden; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: none; width: 100%; height: 100%; white-space: nowrap; ">ProtocolError</div></div></div></foreignObject><text x="322" y="476" fill="#000000" font-family="Helvetica" font-size="12px">ProtocolError</text></switch></g><rect x="322" y="774" width="190" height="60" fill="#ffffff" stroke="#000000" pointer-events="none"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 190px; height: 60px; padding-top: 774px; margin-left: 322px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; width: 190px; height: 60px; overflow: hidden; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: none; width: 100%; height: 100%; white-space: nowrap; ">SizeError</div></div></div></foreignObject><text x="322" y="786" fill="#000000" font-family="Helvetica" font-size="12px">SizeError</text></switch></g><rect x="322" y="534" width="190" height="60" fill="#ffffff" stroke="#000000" pointer-events="none"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 190px; height: 60px; padding-top: 534px; margin-left: 322px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; width: 190px; height: 60px; overflow: hidden; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: none; width: 100%; height: 100%; white-space: nowrap; ">TransmissionError</div></div></div></foreignObject><text x="322" y="546" fill="#000000" font-family="Helvetica" font-size="12px">TransmissionError</text></switch></g><rect x="322" y="614" width="190" height="60" fill="#ffffff" stroke="#000000" pointer-events="none"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 190px; height: 60px; padding-top: 614px; margin-left: 322px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; width: 190px; height: 60px; overflow: hidden; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: none; width: 100%; height: 100%; white-space: nowrap; ">VersionError</div></div></div></foreignObject><text x="322" y="626" fill="#000000" font-family="Helvetica" font-size="12px">VersionError</text></switch></g><rect x="650" y="472" width="190" height="60" fill="#ffffff" stroke="#000000" pointer-events="none"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 190px; height: 60px; padding-top: 472px; margin-left: 650px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; width: 190px; height: 60px; overflow: hidden; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: none; width: 100%; height: 100%; white-space: nowrap; "><div>EmptyDirectory</div></div></div></div></foreignObject><text x="650" y="484" fill="#000000" font-family="Helvetica" font-size="12px">EmptyDirectory</text></switch></g><rect x="650" y="542" width="190" height="60" fill="#ffffff" stroke="#000000" pointer-events="none"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 190px; height: 60px; padding-top: 542px; margin-left: 650px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; width: 190px; height: 60px; overflow: hidden; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: none; width: 100%; height: 100%; white-space: nowrap; ">EmptyFile</div></div></div></foreignObject><text x="650" y="554" fill="#000000" font-family="Helvetica" font-size="12px">EmptyFile</text></switch></g><rect x="650" y="622" width="190" height="60" fill="#ffffff" stroke="#000000" pointer-events="none"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 190px; height: 60px; padding-top: 622px; margin-left: 650px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; width: 190px; height: 60px; overflow: hidden; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: none; width: 100%; height: 100%; white-space: nowrap; ">InternalRemoteError</div></div></div></foreignObject><text x="650" y="634" fill="#000000" font-family="Helvetica" font-size="12px">InternalRemoteError</text></switch></g><rect x="860" y="622" width="190" height="60" fill="#ffffff" stroke="#000000" pointer-events="none"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 190px; height: 60px; padding-top: 622px; margin-left: 860px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; width: 190px; height: 60px; overflow: hidden; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: none; width: 100%; height: 100%; white-space: nowrap; ">NotFound</div></div></div></foreignObject><text x="860" y="634" fill="#000000" font-family="Helvetica" font-size="12px">NotFound</text></switch></g><rect x="860" y="542" width="190" height="60" fill="#ffffff" stroke="#000000" pointer-events="none"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 190px; height: 60px; padding-top: 542px; margin-left: 860px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; width: 190px; height: 60px; overflow: hidden; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: none; width: 100%; height: 100%; white-space: nowrap; ">ProtocolRemoteError</div></div></div></foreignObject><text x="860" y="554" fill="#000000" font-family="Helvetica" font-size="12px">ProtocolRemoteError</text></switch></g><rect x="860" y="472" width="190" height="60" fill="#ffffff" stroke="#000000" pointer-events="none"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 190px; height: 60px; padding-top: 472px; margin-left: 860px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; width: 190px; height: 60px; overflow: hidden; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: none; width: 100%; height: 100%; white-space: nowrap; ">VersionRemoteError</div></div></div></foreignObject><text x="860" y="484" fill="#000000" font-family="Helvetica" font-size="12px">VersionRemoteError</text></switch></g><path d="M 1220 460 L 1220 260 L 1357.5 260" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><rect x="1190" y="460" width="210" height="60" fill="#ffffff" stroke="#000000" pointer-events="none"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 210px; height: 60px; padding-top: 460px; margin-left: 1190px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; width: 210px; height: 60px; overflow: hidden; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: none; width: 100%; height: 100%; white-space: nowrap; ">java.net.InetAddress</div></div></div></foreignObject><text x="1190" y="472" fill="#000000" font-family="Helvetica" font-size="12px">java.net.InetAddress</text></switch></g><rect x="30" y="860" width="190" height="60" fill="#ffffff" stroke="#000000" pointer-events="none"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 190px; height: 60px; padding-top: 860px; margin-left: 30px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; width: 190px; height: 60px; overflow: hidden; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: none; width: 100%; height: 100%; white-space: nowrap; ">java.io.IOException</div></div></div></foreignObject><text x="30" y="872" fill="#000000" font-family="Helvetica" font-size="12px">java.io.IOException</text></switch></g><path d="M 1400 550 L 1420 550 L 1420 260 L 1405 260" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><rect x="1190" y="530" width="210" height="60" fill="#ffffff" stroke="#000000" pointer-events="none"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 210px; height: 60px; padding-top: 530px; margin-left: 1190px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; width: 210px; height: 60px; overflow: hidden; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: none; width: 100%; height: 100%; white-space: nowrap; ">java.util.Scanner</div></div></div></foreignObject><text x="1190" y="542" fill="#000000" font-family="Helvetica" font-size="12px">java.util.Scanner</text></switch></g><path d="M 1400 640 L 1440 640 L 1440 240 L 1410 240 L 1410 250" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><rect x="1190" y="610" width="210" height="60" fill="#ffffff" stroke="#000000" pointer-events="none"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 210px; height: 60px; padding-top: 610px; margin-left: 1190px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; width: 210px; height: 60px; overflow: hidden; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: none; width: 100%; height: 100%; white-space: nowrap; ">java.io.File</div></div></div></foreignObject><text x="1190" y="622" fill="#000000" font-family="Helvetica" font-size="12px">java.io.File</text></switch></g><path d="M 1400 720 L 1460 720 L 1460 220 L 1410 220" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><rect x="1190" y="690" width="210" height="60" fill="#ffffff" stroke="#000000" pointer-events="none"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 210px; height: 60px; padding-top: 690px; margin-left: 1190px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; width: 210px; height: 60px; overflow: hidden; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: none; width: 100%; height: 100%; white-space: nowrap; ">java.net.UnknownHostException</div></div></div></foreignObject><text x="1190" y="702" fill="#000000" font-family="Helvetica" font-size="12px">java.net.UnknownHostException</text></switch></g><path d="M 540 26 L 540 0 L 790 0 L 790 26" fill="#ffffff" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 540 26 L 540 248 L 790 248 L 790 26" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 540 26 L 790 26" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g fill="#000000" font-family="Helvetica" font-weight="bold" text-anchor="middle" font-size="12px"><text x="664.5" y="17.5">Directories</text></g><g fill="#000000" font-family="Helvetica" clip-path="url(#mx-clip-544-31-242-54-0)" font-size="12px"><text x="545.5" y="43.5">+ String projectName</text><text x="545.5" y="57.5">+ String dataHomeDirectory</text><text x="545.5" y="71.5">+ String os</text></g><path d="M 540 84 L 790 84" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g fill="#000000" font-family="Helvetica" clip-path="url(#mx-clip-544-93-242-80-0)" font-size="12px"><text x="545.5" y="105.5">+ Directories(String projectName)</text><text x="545.5" y="119.5">- setDataHomeDirectory()</text><text x="545.5" y="133.5">+ void getDataHomeDirectory()</text><text x="545.5" y="147.5">- void openDataHomeDirectory()</text><text x="545.5" y="161.5">+ void askOpenDataHomeDirectory()</text></g><g fill="#000000" font-family="Helvetica" clip-path="url(#mx-clip-544-173-242-80-0)" font-size="12px"><text x="545.5" y="185.5">+ Directories(String projectName)</text><text x="545.5" y="199.5">- setDataHomeDirectory()</text><text x="545.5" y="213.5">+ void getDataHomeDirectory()</text><text x="545.5" y="227.5">- void openDataHomeDirectory()</text><text x="545.5" y="241.5">+ void askOpenDataHomeDirectory()</text></g><path d="M 540 52.5 L 540 130 L 470 130" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 393 220 L 393 445" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 790 169.2 L 840 169.56" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 269.8 220.45 L 270 260" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 991.04 455 L 991.05 261.96" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/></g></svg>
\ No newline at end of file
diff --git a/doc/1.1/classdiagram-Page-2-1.1.svg b/doc/1.1/classdiagram-Page-2-1.1.svg
deleted file mode 100644
index 495c35e..0000000
--- a/doc/1.1/classdiagram-Page-2-1.1.svg
+++ /dev/null
@@ -1,3 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="1961px" height="1315px" viewBox="-0.5 -0.5 1961 1315" content="&lt;mxfile host=&quot;www.draw.io&quot; modified=&quot;2020-01-29T13:21:26.816Z&quot; agent=&quot;Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_2) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.4 Safari/605.1.15&quot; etag=&quot;4HfZLJRcm86ykFNam2pk&quot; version=&quot;12.6.1&quot; type=&quot;device&quot; pages=&quot;2&quot;&gt;&lt;diagram id=&quot;MxademQTiYvtQCVb_gz8&quot; name=&quot;Page-1&quot;&gt;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&lt;/diagram&gt;&lt;diagram id=&quot;Nmcg78wJzheiyKvJY45I&quot; name=&quot;Page-2&quot;&gt;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&lt;/diagram&gt;&lt;/mxfile&gt;" style="background-color: rgb(255, 255, 255);"><defs><clipPath id="mx-clip-1484-761-472-44-0"><rect x="1484" y="761" width="472" height="44"/></clipPath><clipPath id="mx-clip-1484-813-472-52-0"><rect x="1484" y="813" width="472" height="52"/></clipPath><clipPath id="mx-clip-4-274-472-84-0"><rect x="4" y="274" width="472" height="84"/></clipPath><clipPath id="mx-clip-4-388-472-240-0"><rect x="4" y="388" width="472" height="240"/></clipPath><clipPath id="mx-clip-1307-929-322-96-0"><rect x="1307" y="929" width="322" height="96"/></clipPath><clipPath id="mx-clip-744-711-522-54-0"><rect x="744" y="711" width="522" height="54"/></clipPath><clipPath id="mx-clip-744-773-522-152-0"><rect x="744" y="773" width="522" height="152"/></clipPath><clipPath id="mx-clip-1064-1111-382-26-0"><rect x="1064" y="1111" width="382" height="26"/></clipPath><clipPath id="mx-clip-1064-1145-382-90-0"><rect x="1064" y="1145" width="382" height="90"/></clipPath><clipPath id="mx-clip-854-271-662-64-0"><rect x="854" y="271" width="662" height="64"/></clipPath><clipPath id="mx-clip-854-343-662-242-0"><rect x="854" y="343" width="662" height="242"/></clipPath><clipPath id="mx-clip-484-31-662-26-0"><rect x="484" y="31" width="662" height="26"/></clipPath><clipPath id="mx-clip-484-65-662-120-0"><rect x="484" y="65" width="662" height="120"/></clipPath></defs><g><path d="M 770 963.5 L 770 966 L 620 966 L 620 561 L 480.14 561" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 510 950 L 550 950 L 550 964 L 990 964 L 990 1210 L 510 1210 L 510 964 Z" fill="#ffffff" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/><path d="M 510 964 L 550 964" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-end; justify-content: unsafe flex-start; width: 1px; height: 1px; padding-top: 947px; margin-left: 512px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; font-weight: bold; white-space: nowrap; ">remoteException</div></div></div></foreignObject><text x="512" y="947" fill="#000000" font-family="Helvetica" font-size="12px" font-weight="bold">remoteException</text></switch></g><path d="M 300 863.5 L 300 846 L 740 846" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 70 740 L 110 740 L 110 754 L 300 754 L 300 1190 L 70 1190 L 70 754 Z" fill="#ffffff" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/><path d="M 70 754 L 110 754" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-end; justify-content: unsafe flex-start; width: 1px; height: 1px; padding-top: 737px; margin-left: 72px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; font-weight: bold; white-space: nowrap; "><div>exception</div></div></div></div></foreignObject><text x="72" y="737" fill="#000000" font-family="Helvetica" font-size="12px" font-weight="bold">exception</text></switch></g><rect x="90" y="1000" width="190" height="60" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 190px; height: 60px; padding-top: 1000px; margin-left: 90px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; width: 190px; height: 60px; overflow: hidden; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; width: 100%; height: 100%; white-space: nowrap; ">InternalError</div></div></div></foreignObject><text x="90" y="1012" fill="#000000" font-family="Helvetica" font-size="12px">InternalError</text></switch></g><path d="M 185 1191 L 185 1311 L 1820 1311 L 1820 860" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 185 771 L 185 651 L 185 623" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/><rect x="90" y="770" width="190" height="60" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 190px; height: 60px; padding-top: 770px; margin-left: 90px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; width: 190px; height: 60px; overflow: hidden; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; width: 100%; height: 100%; white-space: nowrap; ">ProtocolError</div></div></div></foreignObject><text x="90" y="782" fill="#000000" font-family="Helvetica" font-size="12px">ProtocolError</text></switch></g><rect x="90" y="1080" width="190" height="60" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 190px; height: 60px; padding-top: 1080px; margin-left: 90px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; width: 190px; height: 60px; overflow: hidden; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; width: 100%; height: 100%; white-space: nowrap; ">SizeError</div></div></div></foreignObject><text x="90" y="1092" fill="#000000" font-family="Helvetica" font-size="12px">SizeError</text></switch></g><rect x="90" y="840" width="190" height="60" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 190px; height: 60px; padding-top: 840px; margin-left: 90px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; width: 190px; height: 60px; overflow: hidden; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; width: 100%; height: 100%; white-space: nowrap; ">TransmissionError</div></div></div></foreignObject><text x="90" y="852" fill="#000000" font-family="Helvetica" font-size="12px">TransmissionError</text></switch></g><rect x="90" y="920" width="190" height="60" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 190px; height: 60px; padding-top: 920px; margin-left: 90px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; width: 190px; height: 60px; overflow: hidden; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; width: 100%; height: 100%; white-space: nowrap; ">VersionError</div></div></div></foreignObject><text x="90" y="932" fill="#000000" font-family="Helvetica" font-size="12px">VersionError</text></switch></g><rect x="540" y="980" width="190" height="60" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 190px; height: 60px; padding-top: 980px; margin-left: 540px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; width: 190px; height: 60px; overflow: hidden; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; width: 100%; height: 100%; white-space: nowrap; "><div>EmptyDirectory</div></div></div></div></foreignObject><text x="540" y="992" fill="#000000" font-family="Helvetica" font-size="12px">EmptyDirectory</text></switch></g><rect x="540" y="1050" width="190" height="60" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 190px; height: 60px; padding-top: 1050px; margin-left: 540px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; width: 190px; height: 60px; overflow: hidden; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; width: 100%; height: 100%; white-space: nowrap; ">EmptyFile</div></div></div></foreignObject><text x="540" y="1062" fill="#000000" font-family="Helvetica" font-size="12px">EmptyFile</text></switch></g><rect x="540" y="1130" width="190" height="60" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 190px; height: 60px; padding-top: 1130px; margin-left: 540px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; width: 190px; height: 60px; overflow: hidden; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; width: 100%; height: 100%; white-space: nowrap; ">InternalRemoteError</div></div></div></foreignObject><text x="540" y="1142" fill="#000000" font-family="Helvetica" font-size="12px">InternalRemoteError</text></switch></g><rect x="750" y="1130" width="190" height="60" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 190px; height: 60px; padding-top: 1130px; margin-left: 750px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; width: 190px; height: 60px; overflow: hidden; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; width: 100%; height: 100%; white-space: nowrap; ">NotFound</div></div></div></foreignObject><text x="750" y="1142" fill="#000000" font-family="Helvetica" font-size="12px">NotFound</text></switch></g><rect x="750" y="1050" width="190" height="60" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 190px; height: 60px; padding-top: 1050px; margin-left: 750px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; width: 190px; height: 60px; overflow: hidden; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; width: 100%; height: 100%; white-space: nowrap; ">ProtocolRemoteError</div></div></div></foreignObject><text x="750" y="1062" fill="#000000" font-family="Helvetica" font-size="12px">ProtocolRemoteError</text></switch></g><rect x="750" y="980" width="190" height="60" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 190px; height: 60px; padding-top: 980px; margin-left: 750px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; width: 190px; height: 60px; overflow: hidden; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; width: 100%; height: 100%; white-space: nowrap; ">VersionRemoteError</div></div></div></foreignObject><text x="750" y="992" fill="#000000" font-family="Helvetica" font-size="12px">VersionRemoteError</text></switch></g><rect x="1770" y="620" width="140" height="60" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 140px; height: 60px; padding-top: 620px; margin-left: 1770px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; width: 140px; height: 60px; overflow: hidden; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; width: 100%; height: 100%; white-space: nowrap; ">CodeType</div></div></div></foreignObject><text x="1770" y="632" fill="#000000" font-family="Helvetica" font-size="12px">CodeType</text></switch></g><path d="M 1720 730 L 1720 180 L 740 180 L 610 181" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 1730 860 L 1730 1118.5 L 1450 1118.5" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 1480 756 L 1480 730 L 1960 730 L 1960 756" fill="#ffffff" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/><path d="M 1480 756 L 1480 860 L 1960 860 L 1960 756" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 1480 756 L 1960 756" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g fill="#000000" font-family="Helvetica" font-weight="bold" text-anchor="middle" font-size="12px"><text x="1719.5" y="747.5">RequestResponseCode</text></g><g fill="#000000" font-family="Helvetica" clip-path="url(#mx-clip-1484-761-472-44-0)" font-size="12px"><text x="1485.5" y="773.5">+ final CodeType codeType</text><text x="1485.5" y="787.5">~ final static int RRCODE_POSITION = 1;</text></g><path d="M 1480 804 L 1960 804" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g fill="#000000" font-family="Helvetica" clip-path="url(#mx-clip-1484-813-472-52-0)" font-size="12px"><text x="1485.5" y="825.5">- RequestResponseCode (CodeType codeType, byte codeValue)</text><text x="1485.5" y="839.5">~ static RequestResponseCode fromCode(byte code) throws ProtocolError</text></g><path d="M 480 503.5 L 710 503.5 L 710 733.5 L 740 733.5" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 0.14 269 L 0.14 243 L 480.14 243 L 480.14 269" fill="#ffffff" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 0.14 269 L 0.14 623 L 480.14 623 L 480.14 269" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 0.14 269 L 480.14 269" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g fill="#000000" font-family="Helvetica" font-weight="bold" text-anchor="middle" font-size="12px"><text x="239.64" y="260.5">ProtocolP2PDatagram</text></g><g fill="#000000" font-family="Helvetica" clip-path="url(#mx-clip-4-274-472-84-0)" font-size="12px"><text x="5.64" y="286.5">- final static byte PROTOCOL_VERSION = 0x11</text><text x="5.64" y="300.5">- final static int VERSION_POSITON = 0</text><text x="5.64" y="314.5">- byte version</text><text x="5.64" y="328.5">- Payload payload</text><text x="5.64" y="342.5">- InetAddress hostR</text><text x="5.64" y="356.5">- int portR</text></g><path d="M 0.14 368 L 480.14 368" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g fill="#000000" font-family="Helvetica" clip-path="url(#mx-clip-4-388-472-240-0)" font-size="12px"><text x="5.64" y="400.5">+ ProtocolP2PDatagram(Payload payload)</text><text x="5.64" y="414.5">+ void send(DatagramSocket socket, String host, int port)</text><text x="5.64" y="428.5">throws InternalError, UnknownHostException,</text><text x="5.64" y="442.5">IOException</text><text x="5.64" y="456.5">+ void send(DatagramSocket socket,</text><text x="5.64" y="470.5">ProtocolP2PDatagram received) throws InternalError,</text><text x="5.64" y="484.5">IOException</text><text x="5.64" y="498.5">~ void sendResponse(DatagramSocket socket,</text><text x="5.64" y="512.5">InetAddress host, int port) throws InternalError,</text><text x="5.64" y="526.5">IOException</text><text x="5.64" y="540.5">+ static ProtocolP2PDatagram receive(DatagramSocket socket)</text><text x="5.64" y="554.5">throws EmptyFile, NotFound, EmptyDirectory, InternalRemoteError,</text><text x="5.64" y="568.5">VersionRemoteError, ProtocolRemoteError, TransmissionError,</text><text x="5.64" y="582.5">ProtocolError, VersionError, InternalError, SizeError, IOException</text></g><path d="M 1435 890 L 1435 851 L 1270 851" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 1303.14 916 L 1303.14 890 L 1633.28 890 L 1633.28 916" fill="#ffffff" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 1303.14 916 L 1303.14 1020 L 1633.28 1020 L 1633.28 916" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 1303.14 916 L 1633.28 916" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g fill="#000000" font-family="Helvetica" font-weight="bold" text-anchor="middle" font-size="12px"><text x="1467.71" y="907.5">BytesArraysTools</text></g><path d="M 1303.14 920 L 1633.28 920" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g fill="#000000" font-family="Helvetica" clip-path="url(#mx-clip-1307-929-322-96-0)" font-size="12px"><text x="1308.64" y="941.5">+ static void write(byte[] array, int start, int value)</text><text x="1308.64" y="955.5">+ static void write(byte[] array, int start, long value)</text><text x="1308.64" y="969.5">+ static int readInt(byte[], int start)</text><text x="1308.64" y="983.5">+ static long readLong(byte[], int start)</text></g><path d="M 740 706 L 740 680 L 1270 680 L 1270 706" fill="#ffffff" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 740 706 L 740 920 L 1270 920 L 1270 706" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 740 706 L 1270 706" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g fill="#000000" font-family="Helvetica" font-weight="bold" text-anchor="middle" font-size="12px"><text x="1004.5" y="697.5">Payload</text></g><g fill="#000000" font-family="Helvetica" clip-path="url(#mx-clip-744-711-522-54-0)" font-size="12px"><text x="745.5" y="723.5">~ RequestResponseCode requestResponseCode</text><text x="745.5" y="737.5">~ final static int PAYLOAD_SIZE_POSITION = 4</text><text x="745.5" y="751.5">~ final static int PAYLOAD_START_POSITION = 8;</text></g><path d="M 740 764 L 1270 764" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g fill="#000000" font-family="Helvetica" clip-path="url(#mx-clip-744-773-522-152-0)" font-size="12px"><text x="745.5" y="785.5">+Payload(RequestResponseCode requestResponseCode) throws InternalError</text><text x="745.5" y="799.5">~ Payload(byte[] datagram) throws SizeError, ProtocolError, InternalError,</text><text x="745.5" y="813.5">TransmissionError</text><text x="745.5" y="827.5">- void checkRequestResponseCode() throws InternalError</text><text x="745.5" y="841.5">~ protected byte[] toDatagram() throws InternalError</text><text x="745.5" y="855.5">~ static void setPayloadSize(int size, byte[] datagram) throws InternalError</text><text x="745.5" y="869.5">~ static int getPayloadSize(byte[] datagram) throws SizeError</text><text x="745.5" y="883.5">+ RequestResponseCode getRequestResponseCode()</text></g><path d="M 1150 1080 L 1150 941 L 1150 928.12" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 1150 921.12 L 1153.5 928.12 L 1146.5 928.12 Z" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 1060 1106 L 1060 1080 L 1450 1080 L 1450 1106" fill="#ffffff" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 1060 1106 L 1060 1230 L 1450 1230 L 1450 1106" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 1060 1106 L 1450 1106" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g fill="#000000" font-family="Helvetica" font-weight="bold" text-anchor="middle" font-size="12px"><text x="1254.5" y="1097.5">LoadRequest</text></g><g fill="#000000" font-family="Helvetica" clip-path="url(#mx-clip-1064-1111-382-26-0)" font-size="12px"><text x="1065.5" y="1123.5">- String filename</text></g><path d="M 1060 1136 L 1450 1136" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g fill="#000000" font-family="Helvetica" clip-path="url(#mx-clip-1064-1145-382-90-0)" font-size="12px"><text x="1065.5" y="1157.5">+ LoadRequest(String filename) throws InternalError</text><text x="1065.5" y="1171.5">~ LoadRequest(byte[] datagram) throws TransmissionError,</text><text x="1065.5" y="1185.5">SizeError, ProtocolError, InternalError</text><text x="1065.5" y="1199.5">~ byte[] toDatagram() throws InternalError</text><text x="1065.5" y="1213.5">+ String getFilename()</text></g><path d="M 1137.5 580 L 1137.5 611 L 1137.5 672.88" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 1137.5 679.88 L 1134 672.88 L 1141 672.88 Z" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 850 266 L 850 240 L 1520 240 L 1520 266" fill="#ffffff" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 850 266 L 850 580 L 1520 580 L 1520 266" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 850 266 L 1520 266" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g fill="#000000" font-family="Helvetica" font-weight="bold" text-anchor="middle" font-size="12px"><text x="1184.5" y="257.5">FilePart</text></g><g fill="#000000" font-family="Helvetica" clip-path="url(#mx-clip-854-271-662-64-0)" font-size="12px"><text x="855.5" y="283.5">- String filename</text><text x="855.5" y="297.5">- long totalSize</text><text x="855.5" y="311.5">- long offest</text><text x="855.5" y="325.5">- byte[] partialContent</text></g><path d="M 850 334 L 1520 334" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g fill="#000000" font-family="Helvetica" clip-path="url(#mx-clip-854-343-662-242-0)" font-size="12px"><text x="855.5" y="355.5">+ FilePart(String filename, long totalSize, long offset, byte[] partialContent) throws InternalError</text><text x="855.5" y="369.5">~ FilePart(byte[] datagram) throws TransmissionError, SizeError, ProtocolError, InternalError</text><text x="855.5" y="383.5">~ byte[] toDatagram() throws InternalError</text><text x="855.5" y="397.5">- void setOffset(byte[] datagram) throws SizeError</text><text x="855.5" y="411.5">- void setTotalSize(byte[] datagram) throws SizeError</text><text x="855.5" y="425.5">- int getFilenameSize(byte[] datagram) throws SizeError, ProtocolError</text><text x="855.5" y="439.5">- void setFilename(byte[] datagram) throws ProtocolError, SizeError, InternalError</text><text x="855.5" y="453.5">- void setPartialContent(byte[] datagram) throws ProtocolError, SizeError</text><text x="855.5" y="467.5">+ byte[] getPartialContent()</text><text x="855.5" y="481.5">+ String getFilename()</text><text x="855.5" y="495.5">+ long getOffset()</text><text x="855.5" y="509.5">+ long getTotalSize()</text></g><path d="M 480.14 26 L 480.14 0 L 1150.14 0 L 1150.14 26" fill="#ffffff" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 480.14 26 L 480.14 180 L 1150.14 180 L 1150.14 26" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 480.14 26 L 1150.14 26" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g fill="#000000" font-family="Helvetica" font-weight="bold" text-anchor="middle" font-size="12px"><text x="814.64" y="17.5">FileList</text></g><g fill="#000000" font-family="Helvetica" clip-path="url(#mx-clip-484-31-662-26-0)" font-size="12px"><text x="485.64" y="43.5">- String[] fileList</text></g><path d="M 480.14 56 L 1150.14 56" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><g fill="#000000" font-family="Helvetica" clip-path="url(#mx-clip-484-65-662-120-0)" font-size="12px"><text x="485.64" y="77.5">FileList(String[] fileList) throws InternalError</text><text x="485.64" y="91.5">~ FileList(byte[] datagram) throws TransmissionError, SizeError, ProtocolError, InternalError</text><text x="485.64" y="105.5">~ byte[] toDatagram() throws InternalError</text><text x="485.64" y="119.5">+ String[] getFileList()</text></g><path d="M 810 181 L 810 431 L 810 672.88" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 810 679.88 L 806.5 672.88 L 813.5 672.88 Z" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 480 503.5 L 480 458.5 L 850 458.5" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 480.14 131 L 255 131 L 255 238.5" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 470 623 L 470 1261 L 1260 1261 L 1260 1236" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 1480 833.5 L 1480 786 L 1270 786" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 1600 731 L 1600 458.5 L 1520 458.5" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/><path d="M 1840 730 L 1840 680" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/></g></svg>
\ No newline at end of file
diff --git a/doc/1.1/usecase-1.1.svg b/doc/1.1/usecase-1.1.svg
deleted file mode 100644
index 9160b70..0000000
--- a/doc/1.1/usecase-1.1.svg
+++ /dev/null
@@ -1,3 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="471px" height="251px" viewBox="-0.5 -0.5 471 251" content="&lt;mxfile host=&quot;www.draw.io&quot; modified=&quot;2020-01-29T13:26:30.275Z&quot; agent=&quot;Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_2) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.4 Safari/605.1.15&quot; etag=&quot;RZbIU9kWjKR-pgeMCwy-&quot; version=&quot;12.6.1&quot; type=&quot;device&quot;&gt;&lt;diagram id=&quot;jCZ_pu6ezyKGmVCC1v1x&quot; name=&quot;Page-1&quot;&gt;7VjLkpswEPwaH5PiYbD3mMWPpGqzFx/WOarMBJQSiBKDwfv1kcxgIGQ3j4oDrtqTNa0ZIXVLaszMDZJqq1gWf5YhiJljhdXMXc0cx7aXvv4xyKlGfN+pgUjxkJJaYMefgUCL0IKHkPcSUUqBPOuDB5mmcMAexpSSZT/tqxT9p2YsggGwOzAxRJ94iHGNLp1Fi38EHsXNk23/ru5JWJNMK8ljFsqyA7nrmRsoKbFuJVUAwpDX8FLXbV7ovUxMQYq/UxDklfW42Xvb8tNT/rw+PgZJ9I7EODJR0IJXskyFZCFNGk8NE3o0TboO7suYI+wydjA9pdZdYzEmQke2bg4nRnM9gkKoOhBNdAsyAVQnnUK9juXWJbRrXOKwbCWw54TFHfoXhDFSPbqM3BKjG8TNH/A0H/D0wHM0G4oLvT2nxJXtjE2WNyAL4UwWVJo0SDUXUyLscteMRpjtDgkJ9TVEoVQYy0imTKxb9F7JIg3BDGvpqM15kDIjsr4B4onuVFag7FOp1cB9p/3FDPXeo2hV0cjn4NQEqV7vvht0qkzYlp2jti78YG5jHaYyhRrZcEPTuf9FWXNZqAO8xh2JgkxFgL++6gyxr+4SBYIhP/bv/38v+fxN8qtLPp+W5N6b5FeX3JuW5NbACgPBzep/3Al9na9vgo2/XV4avKEHOj/xQP9qHuiPeTqsvzkd9mROR/PP6MY8cHE7ko8u3cS8bHk70t3saZ2YlzUe03rZDpR2nNG9zL37f2amw/aTzbmv8+HLXX8H&lt;/diagram&gt;&lt;/mxfile&gt;" style="background-color: rgb(255, 255, 255);"><defs/><g><ellipse cx="233" cy="35" rx="70" ry="35" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 138px; height: 1px; padding-top: 35px; margin-left: 165px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; ">Download</div></div></div></foreignObject><text x="233" y="39" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">Download</text></switch></g><ellipse cx="233" cy="125" rx="70" ry="35" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 138px; height: 1px; padding-top: 125px; margin-left: 165px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; ">List files</div></div></div></foreignObject><text x="233" y="129" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">List files</text></switch></g><ellipse cx="233" cy="215" rx="70" ry="35" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 138px; height: 1px; padding-top: 215px; margin-left: 165px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; ">test existence</div></div></div></foreignObject><text x="233" y="219" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">test existence</text></switch></g><path d="M 120 125 L 142 125 L 142 35 L 163 35" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 120 125 L 163 125" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 120 125 L 142 125 L 142 215 L 163 215" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/><rect x="0" y="95" width="120" height="60" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 125px; margin-left: 2px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; ">Client</div></div></div></foreignObject><text x="60" y="129" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">Client</text></switch></g><path d="M 350 125 L 327 125 L 327 35 L 303 35" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 350 125 L 303 125" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 350 125 L 327 125 L 327 215 L 303 215" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/><rect x="350" y="95" width="120" height="60" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 125px; margin-left: 352px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; ">Server</div></div></div></foreignObject><text x="410" y="129" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">Server</text></switch></g></g></svg>
\ No newline at end of file
diff --git a/doc/usecase.drawio b/doc/usecase.drawio
new file mode 100644
index 0000000..6192f06
--- /dev/null
+++ b/doc/usecase.drawio
@@ -0,0 +1 @@
+<mxfile host="Electron" modified="2020-04-15T12:15:01.769Z" agent="5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/537.36 (KHTML, like Gecko) draw.io/12.9.9 Chrome/80.0.3987.163 Electron/8.2.1 Safari/537.36" etag="ByOe_BWKA2o2X-h2Np3-" version="12.9.9" type="device"><diagram id="jCZ_pu6ezyKGmVCC1v1x" name="Page-1">7V1bc5s4FP41nj6lA4ibHxMnbXe23elu2m33kRjFVoORB+TEzq9fCYRBF98NcmPvTLeWLGT4znd0LjqiPTCYzD9m0XT8Bccw6TlWPO+B257j2G5g079Yz4L3hI5f9owyFPO+uuMevULeafHeGYphLgwkGCcETcXOIU5TOCRCX5Rl+EUc9ogT8Ven0QgqHffDKFF7f6CYjMve0Anq/k8QjcbVL9t+v/xmElWD+ZPk4yjGL40ucNcDgwxjUn6azAcwYehVuJTXfVjx7fLGMpiSbS6YTz89jZ58++aL771++dO6vfl+deWE5TTPUTLjT/ydoATlEYGzjN84WVRo0GeYso+zSXI9JDjrgZtnmBFE8focPcDkK84RQTilQx4wIXhCByTsi5to+DTK8CyNBzhh19HZwGPxX2OO6wSN2LUET2nvmEwS2rDpRzwjCUrhYClki3byO6fXwvlKTOwl0pSjEE8gyRZ0CL+gks2Snbz9Uosa8K5xQ8o+74s4uUbLiWv86Qcugh3EAVxFHIoMChRhzEF4GSMC76fRkH37QpVQBO4IGNmOJ4DkqBiFgQYk27Zag8lTYLpf5KQ3AL3rcAIVyOjDExGXiDNtSEGAmYaCExTH7PKbDOboNXoopmKATzFKSfFA3k3Pu2VzzQilfbFwdQe5r0HcaQ1v/wRp6YkYuRpaanXXaw2lQEHpejpNKKuKJfG3J+VmwHXLQGukrG6nASmMqe3mTZyRMR7hNEru6t4bkaX1mM+YmZwCql+QkAV3RBiKoozgHJGfjc//sanee7x1O+czF41F1Ujp8/5sNhpXsWZ9WdGqroujfFzca/FjaXzN/BnGjyTKczQsOz+gRNQqBsJ6EVPM8Cwb8lGDfG799eGn9/Hljx/5693zX4PJ6IrrN4myESTrhODqOZPBhLL+WbwRHQWKS+mDRYvGAE7neuavrKOmIrCl9TH0JDqVM9bkWt7a/nzzL3wzzzf/JPhW2edj8W0dJA1r8q1wcPpJ+ddwzMBSfXQ6NQ2O4LZGWCMtxUystgmBBEygGgXb1ViF4AhWQYua6kBfPz6i4ZgBZSU0kqQxIG0imOWGkQOiNbVNI6fxqd/BNIMjlJOsgC+aMRXNaChnnHYieF6X4OntYHAxDscwDlpwq7xP687IQRSoWFzrz136jBeHq8phXru0QgNNLNmtqlQJsouqtKAqYFs/yoQb5VW538rm+VLGUh7vHzbesyyJrS2EBUBR+38gczdKl8Og5oPQfy9F7MbN5BbpTa2+NBV5T6XcZwGQFbmd2MfdUmeBXtwNYXoaWVZ9u6m2oltOlczlXArlvE75mPyqNUq6vCE+USCTrcRBmehY+qq6uU19ZQKk/0/xxKju+pbo4IIu46rVBmMTbHBO6APqkp3dgicte1Xmxhh41boroodTGljNUAbpN7O0DkxPCrxOI3o9eKpjvSIRYj0kePhk2OiGpwafo8D3b4lbhh5RmRZ5x9baom+UIf6J9sfvToaWoXNytFQdPxWhE/JlRPdF8Gx6x/NlOAYbfRl7hbi7cWaALWqpt68zA3xxIrdjZ8b2Vc51EEvvS9vNofDBXvp+XF5reDaT2dKT+UCWXnmOyFKwJ0vtUHKI+t5WLN05vpfUyrG8tfe1YXw78Xr1mxeVaUNlrG1VxmlFZQJpXZeX462DVMkL9ux2NCYI5UKf9RqzYXxLGvPmE7ZbaFlbGrNtwtZrRV+WbnSVZ5Atw9YKY0s7cmFLJkZOIYMNKWHpAXce34WCATMmiStYrVRbqRhtfIUZos/MStRk9UlxCgXdsY6rLlW98uZk6aE7HIeVAvIlUwgO/WjCAuOEFJA0WygdJrMYLjtHwhDekhjyu5UPgioRsay15itGs2Czy/pBV03KnbuMPDnLoqmH71ZGau7v3GUUuLIemZaRmmBcJ6NijyDO37SMgOWKXoSm6KLfqYx0ycrz1iNP8liBcT3SbY6fuYyk81lVQYc5Gam7xxOUsw08yHZKhtFwzBoxK5TM2LEPRQQmN02W6XNzu8hABeRtpRIM1n65PDTeGBu5hyYTDtMhtZSAbYXPEsLPSZ2K+vhWcGLq4+ncYQmh7s/hiSgFujUaABUl0G8Lpgr/yyrTwiqzPIW/aZVxjNSYArm8LFyf8JPHh15f4l8LCb9AVdsLQTsnaLBiYTttgvbdDjLSoX0hqHmChkepK+iaoLYFOmCoo7pCd8JhtVnKIrFozQH8To/hhGLWLnBN16QGRjed3rqKb1vTHxgNxRw15fRIHy1FTIESqkpMhY51XPbAuloxlWFef6rcyqWOaPeqiM2xg7uTLT16XQTgUcCSbvvWRQS+OJHbUiERkI55Ska7JRusZnLq5cN8/kZeM8KKVebyN44C2LcVx+l/t1S97YnbKbo0UKfvrPLULa/7IjdfHm/IxVcbxEd8tcGB57VFHH0Njh3n7C/ZtPYcRW9bR9E1Ws/kqY4inZjqDvsx+ucXnhUuIzyRhV+qKzefuNe9QO+893blerCldTC1t+upr0I9exlJqR3dy0M6lZF/qQfbVCNhXI981ck993owuWZPJ6NO68F81Z7/PaPXKSlTK0b5FOfLopZTOAssm/e+aevu72bdz4HxcgWkbdmGGa++nPfcZeT4Un7E7RuW0W4e2DnICFjiWheYthyB6oHpIsHixRGnEAnK78DqG38HVrBbne85sFxeifpA3d3pluVqnW9jYywqEjaocJcMklt+SZT5PbFgt2Nv50Btz5bKI00v4FUsuJra1cZvXLwtuREOmN4Cltdy2zKeHK/KOi6Mbyzmcj2Q09pqTpv1P6BUbmvW/w4VuPsf</diagram></mxfile>
\ No newline at end of file
diff --git a/doc/usecase.svg b/doc/usecase.svg
new file mode 100644
index 0000000..c397197
--- /dev/null
+++ b/doc/usecase.svg
@@ -0,0 +1,3 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="987px" height="1102px" viewBox="-0.5 -0.5 987 1102" content="&lt;mxfile host=&quot;Electron&quot; modified=&quot;2020-04-15T12:15:51.643Z&quot; agent=&quot;5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/537.36 (KHTML, like Gecko) draw.io/12.9.9 Chrome/80.0.3987.163 Electron/8.2.1 Safari/537.36&quot; version=&quot;12.9.9&quot; etag=&quot;r6IHcT54c5lVz5_3eb8a&quot; type=&quot;device&quot;&gt;&lt;diagram id=&quot;SjHNXeY6hxzrBhXx0Q7L&quot;&gt;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&lt;/diagram&gt;&lt;/mxfile&gt;"><defs/><g><ellipse cx="26" cy="167.5" rx="7.500000000000001" ry="7.500000000000001" fill="#ffffff" stroke="#000000" pointer-events="all"/><path d="M 26 175 L 26 200 M 26 180 L 11 180 M 26 180 L 41 180 M 26 200 L 11 220 M 26 200 L 41 220" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 227px; margin-left: 26px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; background-color: #ffffff; white-space: nowrap; ">Utilisateur</div></div></div></foreignObject><text x="26" y="239" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">Utili...</text></switch></g><rect x="116" y="0" width="870" height="1100" fill="#ffffff" stroke="#000000" pointer-events="all"/><rect x="116" y="0" width="60" height="20" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 10px; margin-left: 146px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: nowrap; ">Système</div></div></div></foreignObject><text x="146" y="14" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">Système</text></switch></g><rect x="146" y="20" width="830" height="650" fill="#ffffff" stroke="#000000" pointer-events="all"/><rect x="146" y="20" width="70" height="20" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 30px; margin-left: 181px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: nowrap; ">Application</div></div></div></foreignObject><text x="181" y="34" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">Application</text></switch></g><path d="M 306 185 L 306 264.86 L 372.63 264.99" fill="none" stroke="#000000" stroke-miterlimit="10" stroke-dasharray="3 3" pointer-events="stroke"/><path d="M 377.88 265 L 370.88 268.48 L 372.63 264.99 L 370.89 261.48 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/><path d="M 306 185 L 306 104.86 L 372.63 104.99" fill="none" stroke="#000000" stroke-miterlimit="10" stroke-dasharray="3 3" pointer-events="stroke"/><path d="M 377.88 105 L 370.88 108.48 L 372.63 104.99 L 370.89 101.48 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/><ellipse cx="236" cy="185" rx="70" ry="35" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 138px; height: 1px; padding-top: 185px; margin-left: 167px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; ">Télécharger</div></div></div></foreignObject><text x="236" y="189" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">Télécharger</text></switch></g><ellipse cx="234" cy="425" rx="70" ry="35" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 138px; height: 1px; padding-top: 425px; margin-left: 165px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; ">Afficher les fichiers</div></div></div></foreignObject><text x="234" y="429" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">Afficher les fichiers</text></switch></g><ellipse cx="234" cy="525" rx="70" ry="35" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 138px; height: 1px; padding-top: 525px; margin-left: 165px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; ">S'enregistrer au tracker</div></div></div></foreignObject><text x="234" y="529" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">S'enregistrer au tracker</text></switch></g><path d="M 306 335 L 342.57 334.86 L 342.57 264.86 L 372.63 264.98" fill="none" stroke="#000000" stroke-miterlimit="10" stroke-dasharray="3 3" pointer-events="stroke"/><path d="M 377.88 265 L 370.87 268.47 L 372.63 264.98 L 370.9 261.47 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/><ellipse cx="236" cy="335" rx="70" ry="35" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 138px; height: 1px; padding-top: 335px; margin-left: 167px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; ">Envoyer</div></div></div></foreignObject><text x="236" y="339" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">Envoyer</text></switch></g><path d="M 517.5 425 L 517.43 440 L 556.86 440 L 556.86 480 L 589.63 480" fill="none" stroke="#000000" stroke-miterlimit="10" stroke-dasharray="3 3" pointer-events="stroke"/><path d="M 594.88 480 L 587.88 483.5 L 589.63 480 L 587.88 476.5 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/><ellipse cx="447.5" cy="425" rx="70" ry="35" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 138px; height: 1px; padding-top: 425px; margin-left: 378px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; ">Rechercher</div></div></div></foreignObject><text x="447" y="429" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">Rechercher</text></switch></g><path d="M 304 425 L 371.13 425" fill="none" stroke="#000000" stroke-miterlimit="10" stroke-dasharray="3 3" pointer-events="stroke"/><path d="M 376.38 425 L 369.38 428.5 L 371.13 425 L 369.38 421.5 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/><ellipse cx="664" cy="385" rx="70" ry="35" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 138px; height: 1px; padding-top: 385px; margin-left: 595px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; ">Rechercher par nom</div></div></div></foreignObject><text x="664" y="389" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">Rechercher par nom</text></switch></g><ellipse cx="666" cy="480" rx="70" ry="35" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 138px; height: 1px; padding-top: 480px; margin-left: 597px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; ">Rechercher par extention</div></div></div></foreignObject><text x="666" y="484" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">Rechercher par extention</text></switch></g><ellipse cx="666" cy="185" rx="70" ry="35" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 138px; height: 1px; padding-top: 185px; margin-left: 597px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; ">Reconstruire un fichier</div></div></div></foreignObject><text x="666" y="189" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">Reconstruire un fichier</text></switch></g><ellipse cx="449" cy="185" rx="70" ry="35" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 138px; height: 1px; padding-top: 185px; margin-left: 380px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; ">Télécharger block</div></div></div></foreignObject><text x="449" y="189" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">Télécharger block</text></switch></g><ellipse cx="886" cy="185" rx="70" ry="35" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 138px; height: 1px; padding-top: 185px; margin-left: 817px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; ">Vérifier l'intégrité d'un fichier</div></div></div></foreignObject><text x="886" y="189" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">Vérifier l'intégrité d'...</text></switch></g><path d="M 306 185 L 372.63 185" fill="none" stroke="#000000" stroke-miterlimit="10" stroke-dasharray="3 3" pointer-events="stroke"/><path d="M 377.88 185 L 370.88 188.5 L 372.63 185 L 370.88 181.5 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/><path d="M 519 185 L 509.14 184.86 L 589.63 184.99" fill="none" stroke="#000000" stroke-miterlimit="10" stroke-dasharray="3 3" pointer-events="stroke"/><path d="M 594.88 185 L 587.88 188.49 L 589.63 184.99 L 587.89 181.49 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/><path d="M 736 185 L 776 184.86 L 809.63 184.98" fill="none" stroke="#000000" stroke-miterlimit="10" stroke-dasharray="3 3" pointer-events="stroke"/><path d="M 814.88 185 L 807.87 188.47 L 809.63 184.98 L 807.89 181.47 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/><path d="M 517.5 425 L 517.43 410 L 561.14 410 L 561.14 384.86 L 587.63 384.97" fill="none" stroke="#000000" stroke-miterlimit="10" stroke-dasharray="3 3" pointer-events="stroke"/><path d="M 592.88 385 L 585.87 388.46 L 587.63 384.97 L 585.9 381.46 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/><path d="M 26 190 L 93.43 190 L 93.43 344.86 L 146 344.86" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/><rect x="303" y="163" width="80" height="20" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 173px; margin-left: 343px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: nowrap; ">&lt;&lt;include&gt;&gt;</div></div></div></foreignObject><text x="343" y="177" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">&lt;&lt;include&gt;&gt;</text></switch></g><rect x="516" y="160" width="80" height="20" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 170px; margin-left: 556px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: nowrap; ">&lt;&lt;include&gt;&gt;</div></div></div></foreignObject><text x="556" y="174" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">&lt;&lt;include&gt;&gt;</text></switch></g><rect x="733" y="160" width="80" height="20" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 170px; margin-left: 773px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: nowrap; ">&lt;&lt;include&gt;&gt;</div></div></div></foreignObject><text x="773" y="174" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">&lt;&lt;include&gt;&gt;</text></switch></g><rect x="295" y="400" width="90" height="20" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 410px; margin-left: 340px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: nowrap; ">&lt;&lt;extends&gt;&gt;</div></div></div></foreignObject><text x="340" y="414" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">&lt;&lt;extends&gt;&gt;</text></switch></g><rect x="504" y="360" width="80" height="20" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 370px; margin-left: 544px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: nowrap; ">&lt;&lt;include&gt;&gt;</div></div></div></foreignObject><text x="544" y="374" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">&lt;&lt;include&gt;&gt;</text></switch></g><rect x="511" y="480" width="80" height="20" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 490px; margin-left: 551px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: nowrap; ">&lt;&lt;include&gt;&gt;</div></div></div></foreignObject><text x="551" y="494" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">&lt;&lt;include&gt;&gt;</text></switch></g><ellipse cx="886" cy="265" rx="70" ry="35" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 138px; height: 1px; padding-top: 265px; margin-left: 817px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; ">mise en cache du ratio</div></div></div></foreignObject><text x="886" y="269" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">mise en cache du ratio</text></switch></g><path d="M 738 265 L 809.63 265" fill="none" stroke="#000000" stroke-miterlimit="10" stroke-dasharray="3 3" pointer-events="stroke"/><path d="M 814.88 265 L 807.88 268.5 L 809.63 265 L 807.88 261.5 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/><ellipse cx="668" cy="265" rx="70" ry="35" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 138px; height: 1px; padding-top: 265px; margin-left: 599px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; ">consultation du ratio</div></div></div></foreignObject><text x="668" y="269" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">consultation du ratio</text></switch></g><rect x="148" y="680" width="833" height="390" fill="#ffffff" stroke="#000000" pointer-events="all"/><path d="M 313 760 L 341.14 760 L 341.14 838.86 L 369.63 838.97" fill="none" stroke="#000000" stroke-miterlimit="10" stroke-dasharray="3 3" pointer-events="stroke"/><path d="M 374.88 839 L 367.87 842.47 L 369.63 838.97 L 367.9 835.47 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/><path d="M 313 760 L 341.14 760 L 341.14 925.14 L 371.13 925.03" fill="none" stroke="#000000" stroke-miterlimit="10" stroke-dasharray="3 3" pointer-events="stroke"/><path d="M 376.38 925 L 369.4 928.53 L 371.13 925.03 L 369.37 921.53 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/><path d="M 313 760 L 341.14 760 L 341.14 1015.14 L 371.13 1015.03" fill="none" stroke="#000000" stroke-miterlimit="10" stroke-dasharray="3 3" pointer-events="stroke"/><path d="M 376.38 1015 L 369.4 1018.53 L 371.13 1015.03 L 369.37 1011.53 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/><ellipse cx="243" cy="760" rx="70" ry="35" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 138px; height: 1px; padding-top: 760px; margin-left: 174px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; ">Enregistrer une application</div></div></div></foreignObject><text x="243" y="764" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">Enregistrer une applica...</text></switch></g><path d="M 516 760 L 587.63 760" fill="none" stroke="#000000" stroke-miterlimit="10" stroke-dasharray="3 3" pointer-events="stroke"/><path d="M 592.88 760 L 585.88 763.5 L 587.63 760 L 585.88 756.5 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/><ellipse cx="446" cy="760" rx="70" ry="35" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 138px; height: 1px; padding-top: 760px; margin-left: 377px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; ">fournir liste fichiers</div></div></div></foreignObject><text x="446" y="764" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">fournir liste fichiers</text></switch></g><path d="M 313 760 L 366 760 L 369.63 760" fill="none" stroke="#000000" stroke-miterlimit="10" stroke-dasharray="3 3" pointer-events="stroke"/><path d="M 374.88 760 L 367.88 763.5 L 369.63 760 L 367.88 756.5 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/><ellipse cx="446" cy="839" rx="70" ry="35" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 138px; height: 1px; padding-top: 839px; margin-left: 377px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; ">fournir ratio</div></div></div></foreignObject><text x="446" y="843" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">fournir ratio</text></switch></g><rect x="144" y="680" width="60" height="20" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 690px; margin-left: 174px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: nowrap; ">Tracker</div></div></div></foreignObject><text x="174" y="694" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">Tracker</text></switch></g><ellipse cx="234" cy="615" rx="70" ry="35" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 138px; height: 1px; padding-top: 615px; margin-left: 165px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; ">Se désenregistrer du tracker</div></div></div></foreignObject><text x="234" y="619" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">Se désenregistrer du tr...</text></switch></g><path d="M 519 265 L 591.63 265" fill="none" stroke="#000000" stroke-miterlimit="10" stroke-dasharray="3 3" pointer-events="stroke"/><path d="M 596.88 265 L 589.88 268.5 L 591.63 265 L 589.88 261.5 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/><ellipse cx="449" cy="265" rx="70" ry="35" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 138px; height: 1px; padding-top: 265px; margin-left: 380px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; ">mettre a jour le ratio</div></div></div></foreignObject><text x="449" y="269" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">mettre a jour le ratio</text></switch></g><rect x="303" y="240" width="80" height="20" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 250px; margin-left: 343px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: nowrap; ">&lt;&lt;include&gt;&gt;</div></div></div></foreignObject><text x="343" y="254" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">&lt;&lt;include&gt;&gt;</text></switch></g><rect x="341" y="300" width="80" height="20" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 310px; margin-left: 381px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: nowrap; ">&lt;&lt;include&gt;&gt;</div></div></div></foreignObject><text x="381" y="314" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">&lt;&lt;include&gt;&gt;</text></switch></g><rect x="511" y="240" width="80" height="20" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 250px; margin-left: 551px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: nowrap; ">&lt;&lt;include&gt;&gt;</div></div></div></foreignObject><text x="551" y="254" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">&lt;&lt;include&gt;&gt;</text></switch></g><rect x="733" y="240" width="90" height="20" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 250px; margin-left: 778px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: nowrap; ">&lt;&lt;extends&gt;&gt;</div></div></div></foreignObject><text x="778" y="254" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">&lt;&lt;extends&gt;&gt;</text></switch></g><ellipse cx="449" cy="105" rx="70" ry="35" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 138px; height: 1px; padding-top: 105px; margin-left: 380px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; ">Quelle application dispose du fichier</div></div></div></foreignObject><text x="449" y="109" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">Quelle application disp...</text></switch></g><rect x="295" y="81" width="90" height="20" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 91px; margin-left: 340px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: nowrap; ">&lt;&lt;extends&gt;&gt;</div></div></div></foreignObject><text x="340" y="95" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">&lt;&lt;extends&gt;&gt;</text></switch></g><rect x="256" y="829" width="90" height="20" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 839px; margin-left: 301px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: nowrap; ">&lt;&lt;extends&gt;&gt;</div></div></div></foreignObject><text x="301" y="843" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">&lt;&lt;extends&gt;&gt;</text></switch></g><rect x="299" y="740" width="90" height="20" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 750px; margin-left: 344px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: nowrap; ">&lt;&lt;extends&gt;&gt;</div></div></div></foreignObject><text x="344" y="754" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">&lt;&lt;extends&gt;&gt;</text></switch></g><ellipse cx="447.5" cy="925" rx="70" ry="35" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 138px; height: 1px; padding-top: 925px; margin-left: 378px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; ">mettre a jour un ratio</div></div></div></foreignObject><text x="447" y="929" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">mettre a jour un ratio</text></switch></g><rect x="256" y="915" width="90" height="20" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 925px; margin-left: 301px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: nowrap; ">&lt;&lt;extends&gt;&gt;</div></div></div></foreignObject><text x="301" y="929" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">&lt;&lt;extends&gt;&gt;</text></switch></g><ellipse cx="664" cy="760" rx="70" ry="35" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 138px; height: 1px; padding-top: 760px; margin-left: 595px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; ">fournir la taille</div></div></div></foreignObject><text x="664" y="764" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">fournir la taille</text></switch></g><rect x="508" y="740" width="90" height="20" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 750px; margin-left: 553px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: nowrap; ">&lt;&lt;extends&gt;&gt;</div></div></div></foreignObject><text x="553" y="754" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">&lt;&lt;extends&gt;&gt;</text></switch></g><ellipse cx="447.5" cy="1015" rx="70" ry="35" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 138px; height: 1px; padding-top: 1015px; margin-left: 378px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; ">fournir la liste des applications</div></div></div></foreignObject><text x="447" y="1019" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">fournir la liste des ap...</text></switch></g><rect x="251" y="1005" width="90" height="20" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 1015px; margin-left: 296px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: nowrap; ">&lt;&lt;extends&gt;&gt;</div></div></div></foreignObject><text x="296" y="1019" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">&lt;&lt;extends&gt;&gt;</text></switch></g></g><switch><g requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"/><a transform="translate(0,-5)" xlink:href="https://desk.draw.io/support/solutions/articles/16000042487" target="_blank"><text text-anchor="middle" font-size="10px" x="50%" y="100%">Viewer does not support full SVG 1.1</text></a></switch></svg>
\ No newline at end of file
diff --git a/doc/usecase.xml b/doc/usecase.xml
deleted file mode 100644
index 6a28903..0000000
--- a/doc/usecase.xml
+++ /dev/null
@@ -1 +0,0 @@
-<mxfile host="Electron" modified="2020-04-14T22:19:04.447Z" agent="5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/537.36 (KHTML, like Gecko) draw.io/12.9.9 Chrome/80.0.3987.163 Electron/8.2.1 Safari/537.36" etag="8Tm8kvvkdWEqEMsmn6o0" version="12.9.9" type="device"><diagram id="jCZ_pu6ezyKGmVCC1v1x" name="Page-1">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</diagram></mxfile>
\ No newline at end of file