Added 'virtual' to some protected methods in TWiRLClient
Added 'virtual' to some protected methods in TWiRLClient

paolo-rossi/WiRL,fperana/WiRL,lminuti/WiRL,delphi-blocks/WiRL,lminuti/MARS,fperana/WiRL,delphi-blocks/WiRL,paolo-rossi/WiRL,lminuti/MARS,lminuti/WiRL,lminuti/MARS,MARS-library/MARS,paolo-rossi/WiRL,MARS-library/MARS,MARS-library/MARS,lminuti/WiRL