Added
* Fourth version of this Python project containing (added to this version):
- testing has been changed to use pytest ( all unit-test formatted tests will still run)
- testing has been split into two files so CI can run a docker based testing, and a general (multi-os) test
- testing platform (what makes venv + run) switched to tox
- possibility to test notebooks with nbmake module added, but not in CI due to time and data issues
- vendor module of cvasl, harmonization code from outside packages previously without releases, original open licenses copied
- vendor module versions for RELIEF, neurocombat, autocombat, Combat++, covbat and open nested combat