* Add tests to the cli tool
* add pytest-mock
* do not ignore cli.py for coverage
* read requirements_test.txt instead of redefining reqs in tox.ini
* Add upload to codecov, first try!
* fix name of the result file
* no need to manually publish to azure devops..
* Enable Windows & OSX builds
* Add pypy for ubuntu
* Fix isort
* Disable PyPy
typed-ast building fails due to a missing header
ast27/Parser/tokenizer.c:17:10: fatal error: codecs.h: No such file or directory
Instead of leveraging hound & travis, add an option for azure pipelines,
which may replace the former in the future.
This also streamlines the contributing guidelines by:
* Adding pre-commit hooks to run isort, black, flake8, mypy
* Adding lint environment to allow checks to be run `tox -e lint`
This also contains a major cleanup to the SmartStrip handling which was due.
After seeing #184 I thought I should push this in as it is for comments before the codebase diverges too much.
