Python-automation-framework

What's Changed
* Bugfix/exception message improvements by mreiche in https://github.com/mreiche/python-automation-framework/pull/14


**Full Changelog**: https://github.com/mreiche/python-automation-framework/compare/0.1.1...0.1.2

What's Changed
* Improved API by introducing context manager for config override. by mreiche in https://github.com/mreiche/python-automation-framework/pull/13


**Full Changelog**: https://github.com/mreiche/python-automation-framework/compare/0.1.0...0.1.1

What's Changed
* Highlight passed assertion by mreiche in https://github.com/mreiche/python-automation-framework/pull/11
* Feature/api improvements by mreiche in https://github.com/mreiche/python-automation-framework/pull/12

- Implemented `Listener` interface
- Implemented `HighlightListener` for `PAF_DEMO_MODE` environment variable
- Added warning log message for unused assertions