Checking in changes prior to tagging of version 0.08.

Changelog diff is:

diff --git a/Changes b/Changes
index b0d9bd6..183b6d2 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,9 @@ Revision history for Perl extension JSON::WebToken

 {{$NEXT}}

+0.08 2014-02-21T05:45:26Z
+    - added exception class (zentooo++)
+
 0.07 2013-04-19T17:48:46Z
     - repackaging