Checking in changes prior to tagging of version 0.054.

Changelog diff is:

diff --git a/Changes b/Changes
index 5f70678..522dd0b 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,9 @@ Revision history for Perl extension Smart::Options

 {{$NEXT}}

+0.054 2014-06-02T12:27:58Z
+    - fixed 'Multiple' type (thx hirobanex)
+
 0.053 2013-05-27T07:20:04Z
     - unuse given-when (thx takuji31)