fix requires version
Checking in changes prior to tagging of version 0.23.

Changelog diff is:

diff --git a/Changes b/Changes
index ae05c8f..fca8352 100644
--- a/Changes
+++ b/Changes
@@ -1,5 +1,10 @@
 Revision history for Perl extension Kossy

+0.23    Mon Oct 21 14:17:49 2013
+        - improve performance
+          use HTTP::Headers::Fast
+          optimze Kossy::Response->finalize
+
 0.22    Tue Oct 15 11:44::46 2013
         - switch to using Router::Boom