code: public SigRating getSigRatings(String sigId) throws VoteSmartException, VoteSmartErrorException {
  		return api.query("Rating.getSigRatings", new ArgMap("sigId", sigId), SigRating.class );
  	}
docs: This method dumps all ratings(scorecards) by a Special Interest Group.
  Input: sigId*
  
  @param sigId
  @return {@link SigRating}