Ptr

Codename: **Vernon Hills, IL 🎅**

*cooperlees visiting girlfriend's family in IL*

- Fix documentation for some new arguments - Thanks omikader
- Windows now defaults to updating pip + setuptools
- Rely on setting current working directory with subprocess and remove coverage file environment setting
- f-string everything via [flynt](https://pypi.org/project/flynt/) now we're >= 3.6

Codename: **College Park, MD 🐢**

*omikader studied at the University of Maryland, College Park*

- Add ability to create partial `.ptrconfig` files - PR: 83
- Use native recursive file search for black and flake8 - PR: 81

Codename: **Sapporo, Japan 🇯🇵**

*omikader is going skiing there in February*

- Add support for passing `--system-site-packages` during venv creation - PR: 80

Codename: **Santa Clara, CA**

*thatch lives there!**

- Add license file for thatch - PR: 77 - *Thanks thatch*

Codename: **Russian River, CA 🇺🇸**

*cooperlees is going to the Russian River tomorrow*

- Run ptr even when test_suite is not provided - PR: 73 - *Thanks spurav*
- Remove use of deprecated setuptools `test` option
- Move to GitHub Actions for CI + Releases

Codename: **Mumbai, India 🇮🇳**

*spurav is from Mumbai, India*

- Fix math error dividing 1 / 2 for os.cpu_count - PR: 69 - *Thanks spurav*
- Get GitHub Actions CI Running - PR: 68 + 70 - *Thanks adhaamehab*