add geometry functions to translate and rotate lists and define lines and cubic lines

add data function to fold a list and geometry_plot functions to plot lines and tests for the geometry functions

docs/build/html/search.html

@@ -52,7 +52,7 @@
     containing fewer words won't appear in the result list.
   </p>
   <form action="" method="get">
-    <input type="text" name="q" value="" />
+    <input type="text" name="q" aria-labelledby="search-documentation" value="" />
     <input type="submit" value="search" />
     <span id="search-progress" style="padding-left: 10px"></span>
   </form>
@@ -101,7 +101,7 @@
       &copy;2019, Daniel Weschke.
       
       |
-      Powered by <a href="http://sphinx-doc.org/">Sphinx 2.1.2</a>
+      Powered by <a href="http://sphinx-doc.org/">Sphinx 2.2.0</a>
       &amp; <a href="https://github.com/bitprophet/alabaster">Alabaster 0.7.12</a>
       
     </div>