Checking in changes prior to tagging of version 0.04.

Changelog diff is:

diff --git a/Changes b/Changes
index 58d938c..60527ae 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,10 @@ Revision history for Perl extension WWW-Form-UrlEncoded

 {{$NEXT}}

+0.04 2014-02-17T03:30:50Z
+
+    - add build_urlencoded
+
 0.03 2014-02-10T16:10:56Z

     - fix bug with thread enabled perl