 class="page-header" data-toc-text="0.6.18" id="tourr-0618">tourr 0.6.18<a class="anchor" aria-label="anchor" href="#tourr-0618"></a></h2>
<ul><li>Changed line colours to take a factor, and be handled the same as points.</li>
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    <div class="section level2">
<h2 class="page-header" data-toc-text="0.6.17" id="tourr-0617">tourr 0.6.17<a class="anchor" aria-label="anchor" href="#tourr-0617"></a></h2>
<ul><li>Fixed sizing issue in display_trails</li>
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    <div class="section level2">
<h2 