Checking in changes prior to tagging of version 0.2.1.

Changelog diff is:

diff --git a/Changes b/Changes
index db2349e..0192bb2 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,11 @@ Revision history for Perl extension Cikl-Postgres

 {{$NEXT}}

+0.2.1 2014-03-05T17:49:03Z
+
+    - MAJ.MIN.PATCH versioning.
+    - Add unit tests for Datastore
+
 0.02 2014-02-27T20:35:58Z

     - require Cikl directly