'Retrieve the HITs that have a status of Reviewable, or HITs that
have a status of Reviewing, and that belong to the Requester
calling the operation.'

def get_reviewable_hits(self, hit_type=None, status='Reviewable', sort_by='Expiration', sort_direction='Ascending', page_size=10, page_number=1):

    params = {'Status': status, 'SortProperty': sort_by, 'SortDirection': sort_direction, 'PageSize': page_size, 'PageNumber': page_number}
    if (hit_type is not None):
        params.update({'HITTypeId': hit_type})
    return self._process_request('GetReviewableHITs', params, [('HIT', HIT)])
