Checking in changes prior to tagging of version 0.11.

Changelog diff is:

diff --git a/Changes b/Changes
index 9445997..f3ddaa0 100644
--- a/Changes
+++ b/Changes
@@ -1,5 +1,8 @@
 Revision history for Perl extension SQL::Format

+0.11  Thu Feb 28 15:53:04 2013
+    - added new syntax for columns
+
 0.10  Thu Dec 13 15:29:35 2012
     - fixed test (because hash order confusion)