udpate cpanfile
Checking in changes prior to tagging of version 0.06.

Changelog diff is:

diff --git a/Changes b/Changes
index 225bf30..697ee1c 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,9 @@ Revision history for Perl extension Cache::Redis

 {{$NEXT}}

+0.06 2013-09-01T11:06:20Z
+    - Add serializer `JSON`
+
 0.05 2013-05-09T02:38:06Z
     - Do not run test case when redis-server command is not available