add optional to bill form . allows test to pass, and fixes behavior
add optional to bill form . allows test to pass, and fixes behavior

alonisser/Open-Knesset,daonb/Open-Knesset,daonb/Open-Knesset,noamelf/Open-Knesset,OriHoch/Open-Knesset,MeirKriheli/Open-Knesset,alonisser/Open-Knesset,OriHoch/Open-Knesset,daonb/Open-Knesset,daonb/Open-Knesset,MeirKriheli/Open-Knesset,OriHoch/Open-Knesset,noamelf/Open-Knesset,noamelf/Open-Knesset,noamelf/Open-Knesset,alonisser/Open-Knesset,alonisser/Open-Knesset,MeirKriheli/Open-Knesset,MeirKriheli/Open-Knesset,OriHoch/Open-Knesset