diff --git a/designer.html.m4 b/designer.html.m4
index 6f1af29..4c996e7 100644
--- a/designer.html.m4
+++ b/designer.html.m4
@@ -76,8 +76,8 @@ define(sensor,
             <tr>
               <td>$1</td>
               <td><input name="s$1r" type="number" min="0" max="100" onchange="update();"></td>
-              <td><input name="s$1a" type="number" min="0" max="360" onchange="update();"></td>
-              <td><input name="s$1w" type="number" min="0" max="360" onchange="update();"></td>
+              <td><input name="s$1a" type="number" min="-360" max="360" onchange="update();"></td>
+              <td><input name="s$1w" type="number" min="-360" max="360" onchange="update();"></td>
               <td><input name="s$1t" type="checkbox" onchange="update();"></td>
             </tr>
 sensor(incr($1))')')
diff --git a/token.svg b/token.svg
deleted file mode 100644
index 82471ae..0000000
--- a/token.svg
+++ /dev/null
@@ -1,142 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<!-- Created with Inkscape (http://www.inkscape.org/) -->
-<svg
-   xmlns:dc="http://purl.org/dc/elements/1.1/"
-   xmlns:cc="http://creativecommons.org/ns#"
-   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
-   xmlns:svg="http://www.w3.org/2000/svg"
-   xmlns="http://www.w3.org/2000/svg"
-   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
-   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
-   width="315"
-   height="180"
-   id="svg2"
-   sodipodi:version="0.32"
-   inkscape:version="0.46"
-   version="1.0"
-   sodipodi:docname="token.svg"
-   inkscape:output_extension="org.inkscape.output.svg.inkscape">
-  <defs
-     id="defs4">
-    <inkscape:perspective
-       sodipodi:type="inkscape:persp3d"
-       inkscape:vp_x="0 : 526.18109 : 1"
-       inkscape:vp_y="0 : 1000 : 0"
-       inkscape:vp_z="744.09448 : 526.18109 : 1"
-       inkscape:persp3d-origin="372.04724 : 350.78739 : 1"
-       id="perspective10" />
-  </defs>
-  <sodipodi:namedview
-     id="base"
-     pagecolor="#ffffff"
-     bordercolor="#666666"
-     borderopacity="1.0"
-     gridtolerance="10000"
-     guidetolerance="10"
-     objecttolerance="10"
-     inkscape:pageopacity="0.0"
-     inkscape:pageshadow="2"
-     inkscape:zoom="1"
-     inkscape:cx="269.04724"
-     inkscape:cy="12"
-     inkscape:document-units="px"
-     inkscape:current-layer="layer1"
-     showgrid="false"
-     units="in"
-     inkscape:window-width="1020"
-     inkscape:window-height="687"
-     inkscape:window-x="0"
-     inkscape:window-y="17" />
-  <metadata
-     id="metadata7">
-    <rdf:RDF>
-      <cc:Work
-         rdf:about="">
-        <dc:format>image/svg+xml</dc:format>
-        <dc:type
-           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
-      </cc:Work>
-    </rdf:RDF>
-  </metadata>
-  <g
-     inkscape:label="Layer 1"
-     inkscape:groupmode="layer"
-     id="layer1">
-    <g
-       id="g3161"
-       transform="matrix(1.0829475,0,0,1.0829475,-3.8658087,40.040188)">
-      <rect
-         y="29.306273"
-         x="39.023125"
-         height="58.804661"
-         width="46.712982"
-         id="rect2383"
-         style="fill:#4f4f4f;fill-opacity:1;fill-rule:evenodd;stroke:none;stroke-width:0.96922117px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1" />
-      <rect
-         y="11.121428"
-         x="85.736092"
-         height="89.043518"
-         width="28.585094"
-         id="rect2385"
-         style="fill:#777777;fill-opacity:1;fill-rule:evenodd;stroke:none;stroke-width:0.96357071px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1" />
-      <rect
-         style="fill:#777777;fill-opacity:1;fill-rule:evenodd;stroke:none;stroke-width:0.96357071px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
-         id="rect2387"
-         width="28.585094"
-         height="89.043518"
-         x="10.438034"
-         y="11.121428" />
-      <rect
-         inkscape:transform-center-y="-20.587678"
-         inkscape:transform-center-x="-11.779977"
-         transform="matrix(0.8668119,0.4986353,-0.4986353,0.8668119,0,0)"
-         y="-37.782883"
-         x="75.485535"
-         height="60.45842"
-         width="12.091684"
-         id="rect3159"
-         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1" />
-    </g>
-    <text
-       xml:space="preserve"
-       style="font-size:36.12366104px;font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;text-align:start;line-height:125%;writing-mode:lr-tb;text-anchor:start;fill:#000000;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;font-family:Sans;-inkscape-font-specification:Sans Bold"
-       x="52.018929"
-       y="36.05489"
-       id="text3167"
-       sodipodi:linespacing="125%"><tspan
-         sodipodi:role="line"
-         id="tspan3169"
-         x="52.018929"
-         y="36.05489">Play Tanks</tspan></text>
-    <text
-       xml:space="preserve"
-       style="font-size:24px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;text-align:start;line-height:125%;writing-mode:lr-tb;text-anchor:start;fill:#000000;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;font-family:Sans;-inkscape-font-specification:Sans"
-       x="128"
-       y="69"
-       id="text3171"
-       sodipodi:linespacing="125%"><tspan
-         sodipodi:role="line"
-         id="tspan3173"
-         x="128"
-         y="69">essid: Tanks</tspan><tspan
-         sodipodi:role="line"
-         x="128"
-         y="99"
-         id="tspan3175">http://10.0.0.1/</tspan><tspan
-         sodipodi:role="line"
-         x="128"
-         y="129"
-         id="tspan3179">Token:</tspan></text>
-    <text
-       xml:space="preserve"
-       style="font-size:12px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;text-align:start;line-height:100%;writing-mode:lr-tb;text-anchor:start;fill:#000000;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;font-family:Sans;-inkscape-font-specification:Sans"
-       x="8"
-       y="168"
-       id="text3183"
-       sodipodi:linespacing="100%"><tspan
-         sodipodi:role="line"
-         id="tspan3185"
-         x="8"
-         y="168">a dirtbags production</tspan></text>
-  </g>
-</svg>