code: public VotesCategories getCategories(String year) throws VoteSmartException, VoteSmartErrorException {
  		return api.query("Votes.getCategories", new ArgMap("year", year), VotesCategories.class );
  	}
docs: This method dumps categories that contain released bills according to year and state.
  Input: year*, stateId (default: 'NA')
  
  @param year
  @return {@link VotesCategories}