hiddenregions
lets you add hidden regions to a player as a function
hide {beat, duration, [column] [plr]}
column and plr can be numbers or tables, similar to ease
's plr behavior
example:
hide
{0, 2, plr = 1, column = {0, 1, 2}}
{2, 2, plr = 2, column = {0, 1, 2}}