Checking in changes prior to tagging of version 0.02.

Changelog diff is:

diff --git a/Changes b/Changes
index 516607a..407323e 100644
--- a/Changes
+++ b/Changes
@@ -2,5 +2,8 @@ Revision history for Perl extension Redis-LeaderBoard

 {{$NEXT}}

+0.02 2013-12-30T03:54:16Z
+    - `member_count` method can accept $from and $to arguments
+
 0.01 2013-06-02T07:18:21Z
     - original version