Clean and regen docs (#401)

diff --git a/docs/epy/identifier-index.html b/docs/epy/identifier-index.html
index 2977b38..71e3b15 100644
--- a/docs/epy/identifier-index.html
+++ b/docs/epy/identifier-index.html
@@ -1027,7 +1027,7 @@
 <table border="0" cellpadding="0" cellspacing="0" width="100%%">
   <tr>
     <td align="left" class="footer">
-    Generated by Epydoc 3.0.1 on Fri Mar 24 17:07:55 2017
+    Generated by Epydoc 3.0.1 on Mon Jun  5 13:38:39 2017
     </td>
     <td align="right" class="footer">
       <a target="mainFrame" href="http://epydoc.sourceforge.net"