Update deps to Ukigumo::Client
Checking in changes prior to tagging of version v0.1.5.

Changelog diff is:

diff --git a/Changes b/Changes
index 8131686..d3b81d6 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,11 @@ Revision history for Perl extension Ukigumo::Agent

 {{$NEXT}}

+v0.1.5 2014-05-01T04:33:14Z
+
+    - Suppress warning messages
+    - Fix handling of timeout
+
 v0.1.4 2014-04-08T06:55:19Z

     - Update a dependency to Ukigumo::Client (bug fix)