Version 1.3 release.

Updates CHANGELOG, version, docs.
diff --git a/docs/epy/googleapiclient.model.BaseModel-class.html b/docs/epy/googleapiclient.model.BaseModel-class.html
index 9ddde1d..6568783 100644
--- a/docs/epy/googleapiclient.model.BaseModel-class.html
+++ b/docs/epy/googleapiclient.model.BaseModel-class.html
@@ -376,7 +376,7 @@
   path_params: dict, parameters that appear in the request path
   query_params: dict, parameters that appear in the query
   body_value: object, the request body as a Python object, which must be
-              serializable by simplejson.
+              serializable by json.
 Returns:
   A tuple of (headers, path_params, query, body)
 
@@ -545,7 +545,7 @@
 <table border="0" cellpadding="0" cellspacing="0" width="100%%">
   <tr>
     <td align="left" class="footer">
-    Generated by Epydoc 3.0.1 on Thu Aug 14 00:45:19 2014
+    Generated by Epydoc 3.0.1 on Wed Oct 15 10:24:19 2014
     </td>
     <td align="right" class="footer">
       <a target="mainFrame" href="http://epydoc.sourceforge.net"