Py-make

- framework (17)
+ support Python 3.7 to 3.11
+ migrate travis CI => GitHub Actions (17)
+ migrate `nose` => `pytest`
+ migrate `setup.{py,cfg}` => `pyproject.toml`
+ use `setuptools_scm` for versioning
- misc (17)
+ remove Python 2 compatibility functions
+ fix `DeprecationWarning`
+ linting
- update README (13)
- update `Makefile` (17)

- documentation updates
- framework overhaul
+ testing/packaging/CI

First beta release!

- ported from [tqdm/tqdm/setup.py](https://github.com/tqdm/tqdm/blob/bcf3cca298eb06bacace74108d4bc4713b70ab06/setup.py)
- basic `Makefile` support
- CLI arguments supported:
+ -h, --help: Print this help and exit
+ -v, --version: Print version and exit
+ -s, --silent: Don't echo commands (quiet)
+ -p, --print-data-base: Print internal database
+ -n, --just-print: Don't actually run any commands; just print them (dry-run, recon)
+ -i, --ignore-errors: Ignore errors from commands
+ -D=\<level\>, --debug=\<level\>: Print various types of debugging information. Choices:
(CRITICAL|FATAL)|ERROR|WARN(ING)|[default: INFO]|DEBUG|NOTSET
+ -d, --debug-trace: Print lots of debugging information (-D NOTSET)
+ -f=\<file\>, --file=\<file\>: Read \<file\> as a (makefile) [default: Makefile]