Bump version to 13.12.0

Bump version to 13.11.0

Bump version to 13.10.1

Bump version to 13.10.0

Bump version to 13.9.1

bump version

Bump version to 13.8.0

Bump version to 13.7.0

Update __version__ as it seems like I have forgotten how publishing w…

…orks

Bump version to 13.5.0 and remove print statements from tests