* refactor the view inspection process to be more modular and allow recursive customization
* add operation_id argument to @swagger_auto_
* add inspections for min/max validators
* add support for URLPathVersioning and NamespaceVersioning
* integrate with djangorestframework-camel-case
* fix bugs, improve tests and documentation
* schema generation implemented via coreapi Document and openapi_codec
* schema interface selectable from the latest versions of swagger-ui and redoc
* feature parity with django-rest-swagger 2