bug fix on arrange
removed auto play TODO
bug fix code left in by mistake
optimize arrange, memorize evaluations in a hash table
arrange now a loop
removed idea 
simulating from the middle of the game is now done with auto play in the
GUI
fix numlock issue
started evolution of upw -> upnw and upsw
evolution of upw -> upnw and upsw
fixed issue with scroll lock
more upnw and upsw