gitlab.eufus.psnc.pl environment fixes; DROPS Python3.6 SUPPORT
This MR adds some backwards compatibility fixes (for Python3.6, just to be sure) and forward compatibility improvements (for Python3.10), notably:
- Better entry points for the Pythontools CLI
- Better versioning of the package; PyPA-approved and PyPI ready
- Some comments to explain what is happening in
setup.py
Edited by Karel van de Plassche