Merge pull request #1 from kazeburo/master

use WWW::Form::UrlEncoded's build_urlencoded
Checking in changes prior to tagging of version 0.04.

Changelog diff is:

diff --git a/Changes b/Changes
index fe73188..449f417 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,10 @@ Revision history for Perl extension URL-Builder

 {{$NEXT}}

+0.04 2014-02-19T07:15:06Z
+
+    - use WWW::Form::UrlEncoded(kazeburo)
+
 0.03 2014-02-14T00:31:20Z

     - Support multi-byte chars.
use build_urlencoded_utf8, required for utf8 encoded parameters