0.15.0a2

Changelog

• Request and Response protocols #407
• validator factories removed from validation shortcuts #408
• Predefined openapi validators #409
• Customization refactor #412

Backward incompatibilities

• OpenAPIRequest and OpenAPIResponse removed. All backward compabilities fromcontrib removed.
• spec_validate_* shortcuts removed. Use validate_request and validate_response with validator parameter instead.
• validate_{parameters,body,security} shortcuts removed. Use predefined openapi_request_parameters_validator, openapi_request_body_validator and openapi_request_security_validator from openapi_core.validation.request instead.
• validate_{data,headers} shortcuts removed. Use predefined openapi_response_data_validator and openapi_response_headers_validator from openapi_core.validation.response instead.
• custom_media_type_deserializers parameter for RequestValidator and ResponseValidator removed. Use MediaTypeDeserializersFactory with custom_deserializers parameter and pass it to validator with media_type_deserializers_factory parameter.
• custom_formatters parameter for RequestValidator and ResponseValidator removed. Use SchemaUnmarshallersFactory with custom_formatters parameter and pass it to validator.