Fix permissions bug due to class rename.
Fix permissions bug due to class rename.

evennia.objects.objects.Object was renamed to
evennia.objects.objects.DefaultObject.
TheTypoMaster/evennia,titeuf87/evennia,jamesbeebop/evennia,feend78/evennia,mrkulk/text-world,emergebtc/evennia,emergebtc/evennia,feend78/evennia,ypwalter/evennia,mrkulk/text-world,ypwalter/evennia,ergodicbreak/evennia,TheTypoMaster/evennia,ergodicbreak/evennia,shollen/evennia,jamesbeebop/evennia,TheTypoMaster/evennia,titeuf87/evennia,mrkulk/text-world,feend78/evennia,feend78/evennia,ergodicbreak/evennia,mrkulk/text-world,titeuf87/evennia,titeuf87/evennia,jamesbeebop/evennia,emergebtc/evennia,ypwalter/evennia,shollen/evennia