v1.2.2

• adding support flexible where and join condition on certain API

v1.2.1

• adding precaution behaviour on insert API

v1.2.0

• adding exception
• set require_once on model_app

v1.1.0

• use require_once instead of require inside extended model. Otherwise fatal error because of re-declaring the same base class more than once

v1.0.0

• built-in methods