Flask request user support (spec-first#432)

* ConnexionRequest.context proxied to flask.request instance

* Add type annotations for FlaskRequestContextProxy

* Sort imports

* Sort imports

* Remove unnecessary code

Fix returning flask Response objects in a tuple (spec-first#425)

* Fix returning Response objects in tuple with status code and/or headers

* Use flasks code for dealing with tuples instead of my own

* Unit tests for returning flask reponse in tuple

* fix test, should be a dict, not a set

* Properly sort imports

1.1.5

- spec-first#397 Explicitly set encoding to utf-8 on JSON dumps
- (internal) spec-first#398 Fixed tests that were failing due to development versions of third-party packages

Release 1.1.4

Release 1.1.3

Merge pull request spec-first#382 from patrickw276/content-type

fix content-type header bug

Merge pull request spec-first#379 from patrickw276/path-parameter-format

Support the flask url variable converter "path"

do not fail on missing Python interpreters