Checking in changes prior to tagging of version 0.10.

Changelog diff is:

diff --git a/Changes b/Changes
index 420ed7c..de2d266 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,11 @@ Revision history for Perl extension Exception-Chain

 {{$NEXT}}

+0.10 2014-07-01T12:49:11Z
+    - add method [add_message]
+    - bugfix [instance decision logic]
+    - bugfix [overload string conversion]
+
 0.09 2014-06-27T10:34:21Z
     - overload string conversion
     - fix pod (thanks addsict)