* Introduced AIL_weapontype()
* Make AIL_TU return usable TUs instead of total TUs.
* Adjusted AIL_wayupoints()
* Added a brief reference of the lua AI bindings.
* Share AI_CheckPosition() with the LUA AI.
* Make the LUA AI mind hurt triggers.
* Pass AI_CheckPosition() the position to chack.

* To allow checking a positon without changing the actor's origin.
* Make the LUA AI mind hurt triggers more.