Moved helper.php to helpers/base_helpers.php
Added: add_cpt()
Modified: get_post_updated_messages()
Modified: render_metabox()
Modified: callback_save_post()
Modified: add_cpt()
Modified: Test_Stub_Base_Model_CPT::__construct()
Removed: default values for slug and metakey properties
Updated: comments
Removed: unused functions
Modified: help_screen property name
Modified: get_metakey()
Removed: abstract method save()
Added: property txt domain
Modified: post_get_updated_messages()
Modified: get_slug()
Added: helper file
Modified: get_args()
Modified: get_help_screen()
Added: get_help_tabs()
Modified: base_model_cpt tests
Modified: get_post_updated_messages()
Added: empty cpt model for testing error messages