fixes & updates

changes to Bujins:

- modified some priorities
- bujins can use other extra deck monsters now
- prefer not to use Yamato as XYZ material

other changes:

- fixed Swift Scarecrow and Battle Fader being chained to each other and
to battle response traps
- fixed infinite loop with Number 8
- fixed AI beinng able to skip mandatory attacks
- fixed bug with Dark Hole