fix that en passant captures do not work default tip

fix regression: position reporting about PGN errors

add 150 example games to test PGN parser

add test directory and make target for tests

make eval_move() and check_move() not change their input string

fix fucked up indentation

add sanity check for result in PGN move text

(0) -100 -30 -10 -7 tip

mercurial