Checking in changes prior to tagging of version 0.02.

Changelog diff is:

diff --git a/Changes b/Changes
index fc11fc2..293fb55 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,10 @@ Revision history for Perl extension MojoX-Renderer-JSON-XS

 {{$NEXT}}

+0.02 2013-10-02T04:37:59Z
+
+    - a bit of performance improvement
+
 0.01 2013-10-01T12:21:51Z

     - original version