Checking in changes prior to tagging of version 0.10.

Changelog diff is:

diff --git a/Changes b/Changes
index 5861a63..b86a113 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,10 @@ Revision history for Perl extension Ukigumo::Common

 {{$NEXT}}

+0.10 2014-06-19T07:03:04Z
+
+    - Add `normalize_path` helper method
+
 0.09 2014-05-10T06:46:43Z

     - Support to prepend prefix on logger