Update docs
Checking in changes prior to tagging of version 0.05.

Changelog diff is:

diff --git a/Changes b/Changes
index c3c7cab..10708b6 100644
--- a/Changes
+++ b/Changes
@@ -2,15 +2,18 @@ Revision history for Data::Iterator::SlidingWindow

 {{$NEXT}}

+0.05 2014-06-11T18:30:51Z
+    - Update docs
+
 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
+    - Change required perl version

 0.02    Wed Mar 20 15:20:00 2013
-        - Change required perl version
+    - Change required perl version

 0.01    Fri Feb 23 13:55:00 2013
-        - Initial release
+    - Initial release