Checking in changes prior to tagging of version 0.04.

Changelog diff is:

diff --git a/Changes b/Changes
index 28cdffe..13cfb8d 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,11 @@ Revision history for Perl extension Time-Piece-Iterator

 {{$NEXT}}

+0.04 2014-12-16T15:28:04Z
+
+    - Implement custom iterator
+    - Add constructors
+
 0.03 2014-12-08T14:56:22Z

     - Modified to specify an iterating units