Frederik Hennig authored Feb 02, 2021 and Markus Holzer committed Feb 02, 2021

- Now applying pre-simplification on CQE, too
- Added zero and alias insertion
- Bugfix

- orthogonalize automatically if no moments from literature are provided
- must specify whether weighted or unweighted orthogonality is desired

This restructuring allows for easier separation of modules into
separate repositories later. Also, now pip install with repo url can be
used.

The setup.py files have also been updated to correctly reference each
other. Module versions are not extracted from git state

- removed warnings
- added flake8 as CI target

- test run again
- notebooks not yet