Checking in changes prior to tagging of version 0.81.

Changelog diff is:

diff --git a/Changes b/Changes
index 92c3c66..d7ab6f2 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,10 @@ Revision history for Perl extension Nephia-Plugin-CSRFDefender

 {{$NEXT}}

+0.81 2013-11-24T19:27:26Z
+
+    - fix cpanfile
+
 0.80 2013-11-22T06:35:59Z

     - support to Nephia-0.82 or latter