Fix star, if find_model("Star") return a valid model.
Forget subtype chase, add it.
Add biker, arrow, bomb, star type to aimove list.
Always close movie file before save/load movie.
Fixed Composite TV mode.
Allow multiple aimove commands. But these will be used randomly.
nocost can be used by smartbomb now.
Remove grab walk checking code in common_trymove. Use check_link_move instead.
Hard check walls and screen border when try to grab.
Check for set loops in anim select. If set then we default to 2 seconds.
