Checking in changes prior to tagging of version 0.004.

Changelog diff is:

diff --git a/Changes b/Changes
index dc9d398..9a469b6 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,9 @@ Revision history for Perl extension Test::Vars

 {{$NEXT}}

+0.004 2013-05-05T13:48:11Z
+    - Remove an unnecessary use of smart match operator
+
 0.003 2013-05-05T12:57:49Z
     - re-package with Module::Build