Checking in changes prior to tagging of version 0.10.

Changelog diff is:

diff --git a/Changes b/Changes
index 322f945..747eb98 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,9 @@ Revision history for Perl extension OAuth::Lite2.

 {{$NEXT}}

+0.10 2014-07-31T09:30:02Z
+    - add errors defined in RFC6749
+
 0.09 2014-07-22T07:36:43Z
     - rename grant_type to external_service
     - rename params for grant_type=external_service