Made the cmdset flags no_exits, no_objs and no_channels pass-through the cmdset merge unless overruled by higher-prio sets' flags. Resolves #760.
Made the cmdset flags no_exits, no_objs and no_channels pass-through the cmdset merge unless overruled by higher-prio sets' flags. Resolves #760.

feend78/evennia,titeuf87/evennia,feend78/evennia,titeuf87/evennia,TheTypoMaster/evennia,ergodicbreak/evennia,shollen/evennia,jamesbeebop/evennia,ypwalter/evennia,emergebtc/evennia,jamesbeebop/evennia,feend78/evennia,titeuf87/evennia,ypwalter/evennia,titeuf87/evennia,feend78/evennia,TheTypoMaster/evennia,emergebtc/evennia,TheTypoMaster/evennia,ypwalter/evennia,jamesbeebop/evennia,ergodicbreak/evennia,shollen/evennia,ergodicbreak/evennia,emergebtc/evennia