* Replaces all validate methods with public validate ones
* More methods made public with _oapg suffix
* Makes methods private where one can
* Fixes tests
* Fixes typo, maked Disciminable methods public
* Method changed to from_openapi_data_oapg
* Fixes tests for from_openapi_data_oapg
* Tweaks endpoint stub so the endpoint exists for ycharm type hints
* Makes Api methods protected
* Adds binary python type hints, makes get_new_instance_without_conversion_oapg public
* Protects some schema methods
* Protects more schema methods
* Renames as_x, is_x acessors with needed suffix
* Fixes some tests
* Fixes tests, fixes new signature for DateSchema
* Methods removed and made private
* Fixes indentation
* Samples regenerated