Creating tag for version v1.0.12

Merge pull request #16 from PGelss/PauliMatrices

Pauli matrices

Another test, aiming at version 1.0.10

For testing only

Update README.md

Merge pull request #12 from PGelss/plotting-and-logging

Fixing image path for PyPI repository

Update setup.cfg

Merge pull request #10 from PGelss/plotting-and-logging

Plotting and logging

Merge pull request #9 from PGelss/plotting-and-logging

Plotting and logging

Update setup.cfg