code: public BillsByOfficial getByOfficial(String candidateId, String officeId, String categoryId) throws VoteSmartException, VoteSmartErrorException {
  		return api.query("Votes.getByOfficial", new ArgMap("candidateId", candidateId, "officeId", officeId, "categoryId", categoryId), BillsByOfficial.class );
  	}
docs: This method dumps all the bills an official has voted on based on the candidateId, officeId, categoryId, and year
  Input: candidateId*, officeId, categoryId, year
  
  @param candidateId
  @param officeId
  @param categoryId
  @return {@link BillsByOfficial}