Create a group.

        :type group_name: string
        :param group_name: The name of the new group

        :type path: string
        :param path: The path to the group (Optional).  Defaults to /.

def create_group(self, group_name, path='/'):
        """
        Create a group.

        :type group_name: string
        :param group_name: The name of the new group

        :type path: string
        :param path: The path to the group (Optional).  Defaults to /.

        """
        params = {'GroupName' : group_name,
                  'Path' : path}
        return self.get_response('CreateGroup', params)