Checking in changes prior to tagging of version 0.05.

Changelog diff is:

diff --git a/Changes b/Changes
index 27d6efe..a35bd92 100644
--- a/Changes
+++ b/Changes
@@ -1,5 +1,8 @@
 Revision history for Perl extension Data::WeightedRoundRobin

+0.05  Thu Mar  7 22:43:22 2013
+    - added save() method
+
 0.04  Fri May 25 14:38:45 2012
     - changed: support weight 0 data