Drop gevent as super unstable library (mass crushes on CI)

Fix Azure CD

Signed-off-by: Alexey Stepanov <penguinolog@gmail.com>

2.1.1

Temporary: do not cythonize on windows

Version 2.1.0 (#43)

* Cython classes: class decorator, threaded and asynciotask
* temporary: pydocstyle < 3.0

Version 2.0.3 (#42)

* Code style changed
* Docs and types explanations fixed

Ver 2.0.2 (#33)

* Python 3.4 in master
* Types fixed

Bump to 1.0.7 (#35)

* python 2.7 only, but simpler code and backported types
* Port CI optimizations

Signed-off-by: Alexey Stepanov <penguinolog@gmail.com>

2.0.1: Split _thrreaded internal module to 3 modules: 1 helper = 1 module (#26)

Make 2.0.1

Signed-off-by: Alexey Stepanov <penguinolog@gmail.com>

Move forward and make version 2 with python 3.5+ only.

Version 1.x will continue with backports.
Embed all types and validate (fixes will be backported)
Check with async def
Reduce codebase

1.0.6

Bump with fresh types (#22)

Bump to version 1.0.5 (#20)

* Bump to version 1.0.5

* Build 3.7 wheels
* slim sdist
* main tests on 3.7
* Fix CI_REQUIREMENTS