Fixes an oversight in my slab code

Initial code now works as intended, did not realize the recursive mob
check was looking for clients, now it looks for any mobs.
New Recursive Check
Fixes Speaking, Whoops
WIP
Actually Fixed Say
Merge remote-tracking branch 'upstream/master' into Morgue-Slab-Fix
Merge pull request #2894 from ChuckTheSheep/Morgue-Slab-Fix

Fixes an oversight in my slab code + New recursive mob check