'Return information about the Mechanical Turk Service
operations and response group NOTE - this is basically useless
as it just returns the URL of the documentation
help_type: either \'Operation\' or \'ResponseGroup\''

def get_help(self, about, help_type='Operation'):

    params = {'About': about, 'HelpType': help_type}
    return self._process_request('Help', params)
