Sean Monahan

Option to hide suggestion to run `mkvenv`

3

Set the environment variable `AUTOSWITCH_HIDE_MKVENV_SUGGESTION` to silence the message `Python virtualenv project detected. Run mkvenv to setup autoswitching` when `cd`ing to a Python project without an initialized virtual environment.

moved main() into __main__.py to keep __init__.py minimal

3

Cf. https://docs.python.org/3/library/__main__.html

Unwanted move (wipe?) before retraction in external perimeter

2

### Description of the bug PrusaSlicer emits a move (G1 with no extrusion) before the retraction at the end of external perimeters.  Expected would...