add pass option
Checking in changes prior to tagging of version 0.03.

Changelog diff is:

diff --git a/Changes b/Changes
index 01c85e1..72fc907 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,9 @@ Revision history for Perl extension Hash-Convert

 {{$NEXT}}

+0.03 2013-09-07T11:10:19Z
+    - add pass option
+
 0.02 2013-09-03T19:59:14Z
     - support closure