Changed item menu sorting:
Hidden items now appear at the bottom of the menu, so that hidden items don't get picked up over lower value non-hidden items
Added a config option to put hidden items below "Walk here"
this option makes it so that you can't accidentally pick up hidden items
Added a config option to sort by GE value
this option means that you'll always pick up highest GE value items first with left click
this option also sorts the overlay by GE value