Checking in changes prior to tagging of version 0.04.

Changelog diff is:

diff --git a/Changes b/Changes
index c6398ff..0563522 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,9 @@ Revision history for Perl extension Perl-Lexer

 {{$NEXT}}

+0.04 2014-04-16T07:22:44Z
+    - Added OP_CLASS definition for perl < 5.12
+
 0.03 2014-04-14T07:20:02Z

     - Support 5.10++