Checking in changes prior to tagging of version 0.20.

Changelog diff is:

diff --git a/Changes b/Changes
index 8304499..dc10abe 100644
--- a/Changes
+++ b/Changes
@@ -1,5 +1,8 @@
 Revision history for Perl extension Kossy

+0.20    Wed Oct 9 15:46:10 2013
+        - separete Kossy::Validator to another dist
+
 0.19    Fri Aug 30 16:00:56 2013
         - fixed requires