fixed bugs in pl0
fixed bugs in pl0

DanielTomlinson/ohm,anfedorov/ohm,harc/ohm,coopsource/ohm,cdglabs/ohm,DanielTomlinson/ohm,harc/ohm,anfedorov/ohm,anfedorov/ohm,coopsource/ohm,cdglabs/ohm,coopsource/ohm,cdglabs/ohm,harc/ohm,DanielTomlinson/ohm