i put a new door in an existing frame (not prehung). i put the old door on its side and put the new one next to it, drew lines exactly where the hinges should be. then i chistled out the new door and put the hinges in. the hinges didnt line up with the ones in the jamb. i messed with them for a little and got it to fit. but now the bottom of the door hits the stop before the top. when the bottom hits the top is about 1/2" away. what should i do?