- Fixes borers dying to environmental damage while inside a host.
- Fixes borers not releasing control of a host when it dies.
- Fixes borers being able to assume control of dead hosts.
- Fixes borers being able to talk to their host while dead.
- Fixes borers being told they can't leave their host while
incapacitated/dead, but then trying to leave it anyway.
- Removes an unused proc.