Checking in changes prior to tagging of version 0.27.

Changelog diff is:

diff --git a/Changes b/Changes
index d9dd1ce..0d3d10d 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,10 @@ Revision history for Perl extension OrePAN2

 {{$NEXT}}

+0.27 2014-02-28T07:58:02Z
+
+    - Fixed caching bug.
+
 0.26 2014-02-28T07:44:18Z

     - [EXPERIMENTAL] Added experimental cache mode.