Version 1.3 release.

Updates CHANGELOG, version, docs.
diff --git a/docs/epy/googleapiclient.errors.UnknownApiNameOrVersion-class.html b/docs/epy/googleapiclient.errors.UnknownApiNameOrVersion-class.html
index 65d339d..4cafbf8 100644
--- a/docs/epy/googleapiclient.errors.UnknownApiNameOrVersion-class.html
+++ b/docs/epy/googleapiclient.errors.UnknownApiNameOrVersion-class.html
@@ -61,22 +61,22 @@
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@@ -187,7 +187,7 @@
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-    Generated by Epydoc 3.0.1 on Thu Aug 14 00:45:18 2014
+    Generated by Epydoc 3.0.1 on Wed Oct 15 10:24:19 2014
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