Klak

- Removed klak.utils.run
- Removed klak.utils.shell
- Refactored to use Python Black formatting
- Updated docs

- Fix pylint errors in setup.py
- Fix license in setup.py
- Fix klak spelling in CONTRIBUTING.md
- Update pytest from 3.5.0 to 3.8.1
- Update sphinx from 1.7.2 to 1.8.1
- Update tox from 2.9.1 to 3.4.0
- Update mypy from 0.580 to 0.630
- Update autopep8 from 1.3.5 to 1.4
- Update watchdog from 0.8.3 to 0.9.0
- Update pylint from 1.8.3 to 2.1.1
- Update pip from 9.0.3 to 18.0
- Update wheel from 0.30.0 to 0.31.1
- Update README.rst

- Convert LICENSE to MIT
- Update autopep8 from 1.3.4 to 1.3.5

- Make `utils.shell` a little nicer to use

- Fix missing `path.py` dependency
- Update mypy from 0.570 to 0.580
- Update pytest from 3.4.2 to 3.5.0

- Add `Clickfile` loading
- Add `utils.run`, `utils.shell`
- Update docs