setup.py: Use env markers for Python version-specific dependencies (s…

…pec-first#495)

* setup.py: Use env markers for Python version-specific dependencies

Changing package properties dynamically in setup.py means that universal
wheels will actually be built only for the builder's environment, and
might not work properly on different platforms/PYthon versions.

Closes spec-first#493

* travis: Upgrade setuptools before running tests

* reqs: Stop installing pathlib from mercurial in dev mode

The mercurial repo is at 0.8 while the latest release on PyPI is 1.0.1

added setup.cfg (spec-first#492)

Split tokeninfo scope if it is a string (spec-first#477)

* Split tokeninfo scope if it is a string

* Add test for string and array scopes

* Fix isort lint error

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