make functions static and small optimization
Merge branch 'master' of https://github.com/donggu/project4
move_gen_reference.c: position_t to position_ref_t
[unverified] change the board representation
fix bugs
add test framework
add test framework
Fix a lot of bugs; but still not working
Fix a lot of bugs; but still not working
Fix a lot of bugs; Beta-mismatch
Fix a lot of bugs; Beta-mismatch
Align myrand()
Fix a bug in the staff's code
Fix a bug; still beta-mismatch

fix a bug

fix a potential bug
Add Make_test
new board representation merged with beta1
forgot to commit eval_ref
TEST is working but autotest makes illegal moves
Add missting test files
on the way of debugging is_game_over