openbor Tools

- Script function shutdown (exit game).
- Add several openborvariants properties.

Fix a mistake in previous update (relback=1 after 'PRESS START' was changed to 0 by mistake).

- Experimental command skiptoset in levels.txt, skip system menu and intro directly to a specific set, for advanced usage.
- skipselect command now allow empty argument list, used to by pass the default select screen without forcing the player to choose a character.

Pad bitmap struct same as screen for psp, just in case.

- Add missing else in function anim_list_delete.
- Enable @include for level txt.

New command @include, parse a text file for model txt.

- Fix a score script crash bug.
- Fix a mistake in last build, which crashed when unloading models.

- Write another version of anim_list_delete for the free_model crash problem to see if makes any difference on xbox.
- Remove 4096 size limit for images.
- Add preprocessor switch for PSP memory alignment fix in types.h.

- Another attempt to fix psp screen problem.
- Print more debug messages to trace some mysterious crash without error messages.

1. Change pixelformat in s_screen and others from char to int to see if fix the mysterious screen shift on psp version (not tested yet).
2. An experimental optimization for mods without obstacles and platforms.