Checking in changes prior to tagging of version 0.04.

Changelog diff is:

diff --git a/Changes b/Changes
index 03402b7..15f785b 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,10 @@ Revision history for Perl extension DBIx-Schema-Annotate

 {{$NEXT}}

+0.04 2014-12-24T03:29:04Z
+
+    - update document
+
 0.03 2014-12-23T17:07:39Z

     - fixbug. key of mysql schema is case-sensitive