Checking in changes prior to tagging of version 0.12.

Changelog diff is:

diff --git a/Changes b/Changes
index 767b55b..f507f9c 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,10 @@ Revision history for Perl module Smart::Args

 {{$NEXT}}

+0.12 2013-11-21T01:22:21Z
+
+    - Fixed a bug in test case.
+
 0.11 2013-11-20T04:43:18Z

     - minil migrate