* now the proto limit is always handled by set_proto_data function when
needed, since the related issue was originally from using it to process
lots of protos at once.
* now ignoring the inv capacity only happens in combat for preventing
AI inf loop. The vanilla behavior still applies outside of combat.
* added a correct message for NPC not being able to pick up an item.
* FINDTARGET, BARTERPRICE, WITHINPERCEPTION, and INVENTORYMOVE. For
unifying the behavior of common hooks between 3.8 and 4.x.
Added the example script of WITHINPERCEPTION from 4.x.
Updated gl_highlighting_lite.
* Fixed the position of the talking head texture when the game res is
larger than 640x480.
* Added the support to use textures without the need of patching
talking head FRM files.
* weapons with knockback modifiers applied will have a special ID
(negative value) that work as a temporary UID for the current game
session.
Added checks on object types to functions in Combat module.
Added the second argument to set_unique_id script function.
* If the required standard script procedure is missing, the procedure
above the start proc is called instead of the start (from Crafty)
Added a id reversion mechanism to remove_weapon_knockback.
NovaRain