Checking in changes prior to tagging of version 0.24.

Changelog diff is:

diff --git a/Changes b/Changes
index 0059364..267865c 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,11 @@ Revision history for Perl module Ukigumo::Client

 {{$NEXT}}

+0.24 2014-03-17T15:31:34Z
+
+    - It do not die if notifying is fail
+    - Fix a conditional branch bug
+
 0.23 2014-03-17T03:45:06Z

     - Fix a bug that cannot create notifier instance