Checking in changes prior to tagging of version 0.26.

Changelog diff is:

diff --git a/Changes b/Changes
index fefeab3..d9dd1ce 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,11 @@ Revision history for Perl extension OrePAN2

 {{$NEXT}}

+0.26 2014-02-28T07:44:18Z
+
+    - [EXPERIMENTAL] Added experimental cache mode.
+      (tokuhirom)
+
 0.25 2014-02-28T01:00:53Z

     - Fixed deps