code: def set_key(self, section, key, value):
          
  
          LOGGER.debug("> Saving '{0}' in '{1}' section with value: '{2}' in settings file.".format(
              key, section, foundations.strings.to_string(value)))
  
          self.__settings.beginGroup(section)
          self.__settings.setValue(key, QVariant(value))
          self.__settings.endGroup()
docs: Stores given key in settings file.
  
          :param section: Current section to save the key into.
          :type section: unicode
          :param key: Current key to save.
          :type key: unicode
          :param value: Current key value to save.
          :type value: object