Fixed a bug in @set that would not display attributes if they were set to 0 or None.
Fixed a bug in @set that would not display attributes if they were set to 0 or None.

titeuf87/evennia,mrkulk/text-world,emergebtc/evennia,mrkulk/text-world,ypwalter/evennia,titeuf87/evennia,feend78/evennia,ypwalter/evennia,mrkulk/text-world,jamesbeebop/evennia,TheTypoMaster/evennia,shollen/evennia,TheTypoMaster/evennia,jamesbeebop/evennia,titeuf87/evennia,emergebtc/evennia,emergebtc/evennia,ergodicbreak/evennia,mrkulk/text-world,ypwalter/evennia,feend78/evennia,titeuf87/evennia,TheTypoMaster/evennia,feend78/evennia,ergodicbreak/evennia,feend78/evennia,jamesbeebop/evennia,shollen/evennia,ergodicbreak/evennia