Version 0.0.8 / 2018-1-19
* Enhancements
  * Added root_attributes method to add attribute to the root class

Version 0.0.7 / 2018-1-19
* Enhancements
  * Added contain_key matcher
  * mandatory_elements method created for SoapHandler - can be used to add tests to success scenarios (see example get_weather_web_service class for details)