change IsPlayerEnabled() to IsHumanPlayer()
check to see if we can use the BeginnerHelper before attempting to use it.
Disable BeginnerHelper for non-Dance game types.
make beginnerhelper not miss steps on fast songs.
(kinda ugly but it works. what was happening is there wasn't a tap note at the position
checked during the updates around the tap note that was missed, so Step was never called for it)
Thad Ward