Fix tests
Checking in changes prior to tagging of version 0.04.

Changelog diff is:

diff --git a/Changes b/Changes
index c22b06e..4047586 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,10 @@ Revision history for perl module Attribute::Contract

 {{$NEXT}}

+0.04 2013-06-21T08:00:02Z
+
+ - Make test less brittle
+
 0.03 2013-06-12T09:38:42Z

  - Use cpanfile