Checking in changes prior to tagging of version 0.04.

Changelog diff is:

diff --git a/Changes b/Changes
index 94e40ca..c3c7cab 100644
--- a/Changes
+++ b/Changes
@@ -1,5 +1,11 @@
 Revision history for Data::Iterator::SlidingWindow

+{{$NEXT}}
+
+0.04 2013-06-26T12:21:13Z
+    - Fixed typo in document
+    - Switch to Minilla
+
 0.03    Sat Apr 13 20:10:00 2013
         - Change required perl version