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*Release date: 2018-02-26*
- Fix README.rst format to be compatible with pypi
- Fix `after_scenario` error when toolium `before_feature` is not used
- Read `Config_environment` before properties initialization to read right properties file
- New config section [FirefoxArguments] to set firefox arguments from properties file, e.g. '-private'
- Add a config property `headless` in [Driver] section to enable headless mode in firefox and chrome
- New config properties 'monitor', 'bounds_x' and 'bounds_y' in [Driver] section to configure browser bounds and monitor
- Normalize filenames to avoid errors with invalid characters