bump version

Bump version from 0.12.1 to 0.13.0

Bump version from 0.12.0 to 0.12.1

Bump version from 0.11.0 to 0.12.0

Bump version from 0.10.0 to 0.11.0

Bump version from 0.9.0 to 0.10.0

Bump version from 0.8.0 to 0.9.0

Bump version 0.8.0

Bump version 0.7.2

Update package.json