code: public Bills getByBillNumber(String billNumber) throws VoteSmartException, VoteSmartErrorException {
  		return api.query("Votes.getByBillNumber", new ArgMap("billNumber", billNumber), Bills.class );
  	}
docs: Returns a list of bills that are like the billNumber input.
  Input: billNumber*
  
  @param billNumber
  @return {@link Bills}