Checking in changes prior to tagging of version 0.12.

Changelog diff is:

diff --git a/Changes b/Changes
index d8ecf10..be5353f 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,11 @@ Revision history for Perl extension Text::TestBase

 {{$NEXT}}

+0.12 2013-07-22T04:57:52Z
+
+    - Suppress warnings
+      (Hiroki Honda)
+
 0.11 2013-06-04T22:31:09Z

     - get_section: return undefined value if the key does not exist.