Checking in changes prior to tagging of version 0.13.

Changelog diff is:

diff --git a/Changes b/Changes
index 9a9a4f3..ead63fb 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,10 @@ Revision history for Perl extension POSIX-strftime-Compiler

 {{$NEXT}}

+0.13 2014-01-24T01:12:31Z
+
+    - bugfix on cygwin. osname is cygwin. not Cygwin.
+
 0.12 2014-01-23T08:21:39Z

     - fix bug around %s on windows. require "(" ")"