Checking in changes prior to tagging of version v0.0.53.

Changelog diff is:

diff --git a/Changes b/Changes
index dd2b2d1..9891493 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,11 @@ Revision history for Perl extension Minilla

 {{$NEXT}}

+v0.0.53 2013-04-09T05:57:07Z
+
+    - Exclude extlib/ directory from tar ball.
+      (Reported by kazeburo++)
+
 v0.0.52 2013-04-08T03:11:44Z

     - Tiny tweaks for CPAN testers.