Bugfix: People unable to hear while in certain locations. (And some debug verbs)

...hopefully
Merge pull request #4463 from Ccomp5950/hopefully

Bugfix:  People unable to hear while in certain locations.  (And some debug verbs)
Bugfix:  get_mobs_in_view won't allow AIeyes to hear chat.

Also:  Added a client check to saycode for now that stops runtimes when you have a dead body with no client and removed colons from it.
herp derp.
Merge pull request #4469 from Ccomp5950/ai_eye

Runtime in say no good gotta hurry wooo
Remove clients removal derp.
Merge remote-tracking branch 'upstream/master' into develop