Update docs to not use UML diagrams. Fixes issue #148.
diff --git a/docs/epy/oauth2client.crypt.Signer-class.html b/docs/epy/oauth2client.crypt.Signer-class.html
index bff426a..e27f8b3 100644
--- a/docs/epy/oauth2client.crypt.Signer-class.html
+++ b/docs/epy/oauth2client.crypt.Signer-class.html
@@ -55,13 +55,10 @@
 <!-- ==================== CLASS DESCRIPTION ==================== -->
 <h1 class="epydoc">Class Signer</h1><p class="nomargin-top"><span class="codelink"><a href="oauth2client.crypt-pysrc.html#Signer">source&nbsp;code</a></span></p>
 <center>
-<center>  <map id="uml_class_diagram_for_oauth2cl_29" name="uml_class_diagram_for_oauth2cl_29">
-<area shape="rect" href="oauth2client.crypt.Signer-class.html#__init__" title="Constructor." alt="" coords="17,36,252,55"/>
-<area shape="rect" href="oauth2client.crypt.Signer-class.html#sign" title="Signs a message." alt="" coords="17,55,252,73"/>
-<area shape="rect" href="oauth2client.crypt.Signer-class.html#from_string" title="Construct a Signer instance from a string." alt="" coords="17,73,252,92"/>
-<area shape="rect" href="oauth2client.crypt.Signer-class.html" title="Signs messages with a private key." alt="" coords="16,11,253,93"/>
+<center>  <map id="class_hierarchy_for_signer" name="class_hierarchy_for_signer">
+<area shape="rect" href="oauth2client.crypt.Signer-class.html" title="Signer" alt="" coords="5,5,64,32"/>
 </map>
-  <img src="uml_class_diagram_for_oauth2cl_29.gif" alt='' usemap="#uml_class_diagram_for_oauth2cl_29" ismap="ismap" class="graph-without-title" />
+  <img src="class_hierarchy_for_signer.gif" alt='' usemap="#class_hierarchy_for_signer" ismap="ismap" class="graph-without-title" />
 </center>
 </center>
 <hr />
@@ -338,7 +335,7 @@
 <table border="0" cellpadding="0" cellspacing="0" width="100%%">
   <tr>
     <td align="left" class="footer">
-    Generated by Epydoc 3.0.1 on Thu Jun 14 08:01:58 2012
+    Generated by Epydoc 3.0.1 on Fri Jun 15 09:51:51 2012
     </td>
     <td align="right" class="footer">
       <a target="mainFrame" href="http://epydoc.sourceforge.net"