fix requires
Checking in changes prior to tagging of version 0.19.

Changelog diff is:

diff --git a/Changes b/Changes
index cd5856e..8304499 100644
--- a/Changes
+++ b/Changes
@@ -1,5 +1,8 @@
 Revision history for Perl extension Kossy

+0.19    Fri Aug 30 16:00:56 2013
+        - fixed requires
+
 0.18    Thu Aug 8 16:05:45 2013
         - json escape only for string ( Thank you sonots-san)