Adds accessor for MySQL drivers last_error property, and adds support for MySQL transaction to MySQL database drivers
Adds accessor for MySQL drivers last_error property, and adds support for MySQL transaction to MySQL database drivers

Signed-off-by: k4ndar <3cc3fb82fae2cc147679140a032c794ddf1e521d@yahoo.com>

Pasarkode/Panada,tyaslab/Panada,panada/Panada,ericariyanto/Panada,kamarasta201/232015