code: public Sigs getSigList(String categoryId) throws VoteSmartException, VoteSmartErrorException {
  		return api.query("Rating.getSigList", new ArgMap("categoryId", categoryId), Sigs.class );
  	}
docs: This method dumps Special Interest Groups according to category and state.
  Input: categoryId*, stateId (default: 'NA')
  
  @param categoryId
  @return {@link Sigs}