docs: def _setup(self):
          """
          Perform initial setup of the settings class, such as getting the settings module and setting the settings
          """
          settings_module  = None
          #Get the settings module from the environment variables
          try:
              settings_module = os.environ[global_settings.MODULE_VARIABLE]
          except KeyError:
              error_message = "Settings not properly configured.  Cannot find the environment variable {0}".format(global_settings.MODULE_VARIABLE)
              log.exception(error_message)
  
          self._initialize(settings_module)
          self._configure_logging()