Update license dates

Update README.md

Maintenance (#121)

Fix bug when calling find_fluxoid_solution multiple times with the same model (#117)

Polygon resample (#116)

Update README.md

Update pypi-upload.yml

Terminal currents (#114)

Update pypi-upload.yml

Use numbers.Real instead of (int, float) (#112)

Progress bar in Device.mutual_inductance_matrix() (#111)

Update version.py

Check shape (#110)

Make progress bar optional (#109)

Fix bug when saving Solution with terminal_currents (#108)