* add support for --clean to compile and flash
* compile standalone JSON keymaps without polluting the tree
* Add support for passing environment vars to make
* make flake8 happy
* document changes to qmk compile and flash
* add -e support to json export compiling
* Fix python 3.6
* honor $MAKE
* add support for parallel builds
* Use pathlib everywhere we can
* Update lib/python/qmk/path.py
Co-Authored-By: Erovia <Erovia@users.noreply.github.com>
* Update lib/python/qmk/path.py
Co-Authored-By: Erovia <Erovia@users.noreply.github.com>
* Improvements based on @erovia's feedback
* rework qmk compile and qmk flash to use pathlib
* style
* Remove the subcommand_name argument from find_keyboard_keymap()
Co-authored-by: Erovia <Erovia@users.noreply.github.com>