Checking in changes prior to tagging of version 0.23.

Changelog diff is:

diff --git a/Changes b/Changes
index 88de96d..a281e6e 100644
--- a/Changes
+++ b/Changes
@@ -2,7 +2,9 @@ Revision history for Perl extension Monoceros

 {{$NEXT}}

-  - no trial
+0.23 2013-08-29T04:45:27Z
+
+  - no trial version

 0.22 2013-08-29T02:50:57Z