Openapi-core

Changelog
* Shortcuts backward compatible 482
* `RequestValidator` and `ResponseValidator` backward compatibility 487
* Fix flask decorator function return other types 489
* Fix integration `Request` `Response` factories check types fix 490

Changelog
* shortcuts high level public api expose 465
* ParametersError context property deprecated 462
* Spec.create deprecated 463
* Validators refactor 457
* Webhooks support 470
* Rename `UnmarshalContext` to `ValidationContext` 472
* Fix PATH_PARAMETER_PATTERN for DRF default value pattern. 468
* Fix falcon response data none 471

Backward incompatibilities
* `request` parameter for `validate_request` shortcut function moved to first position
* `request` and `response` parameters for `validate_response` shortcut function moved to first and second position
* Schema unmarshalling/validation returns `Invalid*` exception (`InvalidData`, `InvalidParameter`, `InvalidRequestBody`, `InvalidHeader`). Use `__cause__` property to get root cause exception.
* `InvalidSecurity` exception renamed to `SecurityNotFound`

Changelog
* openapi-schema-validator 0.5.2 tests compatibility fix 527

Changelog
* validators public api expose 455
* allow openapi-schema-validator 0.4 458

Changelog
* better unmarshaller finders with refactor 447

Changelog
* werkzeug flask root path fix 449
* additionalProperties without schema should allow null. 444