Checking in changes prior to tagging of version 0.13.

Changelog diff is:

diff --git a/Changes b/Changes
index d4dc4cf..4f016bc 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,9 @@ Revision history for Perl extension App-PRT

 {{$NEXT}}

+0.13 2014-05-13T08:35:25Z
+    - Support function to rename symbols on RenameClass command
+
 0.12 2014-04-28T10:26:59Z
     - I forgot to git pull