- Merged multiple PRs
- https://github.com/nd-ball/py-irt/pull/84
- https://github.com/nd-ball/py-irt/pull/83
- https://github.com/nd-ball/py-irt/pull/81
- https://github.com/nd-ball/py-irt/pull/79
- https://github.com/nd-ball/py-irt/pull/78
- https://github.com/nd-ball/py-irt/pull/77
- https://github.com/nd-ball/py-irt/pull/75