Add transaction manager interface
Add load_if_class_not_loaded
Update doc
Add last_insert_id
Checking in changes prior to tagging of version 0.03.

Changelog diff is:

diff --git a/Changes b/Changes
index 65cb617..14685b7 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,8 @@ Revision history for Perl extension Coteng

 {{$NEXT}}

+0.03 2013-12-29T09:35:12Z
+
     - Add transaction support (DBIx::Sunny)

 0.02 2013-12-29T08:13:56Z