Quick Qwirkle implementation on my way home from Münich.
876c213 (HEAD -> master, origin/master) Some progress on legal move.
d588853 Fixed cursor=None related issues and improved next_tile and next_player etc. Now fills rack.
25a61f1 Second sprint on July 11 after visiting Simone.
463fcf0 Finished previous todos.
d29e899 First sprint: attached tile placement, rack, basic draw functions.