Allow special V4-commands to UEXIT11 and UEXIT4

Allow to be SENT ‘SPECIAL’ V4-COMMANDS TO USER-EXIT11 AND EXIT4 THE CALL WAS SENT AS A PHYSICAL CALL TO A CERTAIN DBID/NUCID COMMAND IDENTIFIER IS: AD1-FIELD+2(1)=C’!’ OR: AD1-FIELD+2(1)=C’$’

This is currently Special Purpose zap AN813113/AN814021

This is R&D Requirements number: 1879