Broker

What's Changed
* Change the mp checkin max workers to default by JacobCallahan in https://github.com/SatelliteQE/broker/pull/166
* Improve support for Ansible Tower inventories by JacobCallahan in https://github.com/SatelliteQE/broker/pull/167


**Full Changelog**: https://github.com/SatelliteQE/broker/compare/0.2.7...0.2.8

What's Changed
* Simulate SSH Session functionality with Container-based Hosts by JacobCallahan in https://github.com/SatelliteQE/broker/pull/163


**Full Changelog**: https://github.com/SatelliteQE/broker/compare/0.2.6...0.2.7

What's Changed
* Allow simpler passing for individual host classes by JacobCallahan in https://github.com/SatelliteQE/broker/pull/162


**Full Changelog**: https://github.com/SatelliteQE/broker/compare/0.2.5...0.2.6

What's Changed
* Add the ability to determine caller origin for AnsibleTower workflows by JacobCallahan in https://github.com/SatelliteQE/broker/pull/160


**Full Changelog**: https://github.com/SatelliteQE/broker/compare/0.2.4...0.2.5

What's Changed
* Add full support for key-based authentication by ogajduse in https://github.com/SatelliteQE/broker/pull/159

New Contributors
* ogajduse made their first contribution in https://github.com/SatelliteQE/broker/pull/159

**Full Changelog**: https://github.com/SatelliteQE/broker/compare/0.2.3...0.2.4

What's Changed
* Add teardown to unsuccessful contextmanager checkouts by JacobCallahan in https://github.com/SatelliteQE/broker/pull/158


**Full Changelog**: https://github.com/SatelliteQE/broker/compare/0.2.2...0.2.3