Fix collision layer inconsistancies
Fixed some height consistancy issues with Large Tombs.
added items
Phylactery, Mage
Dark Helm, Warrior (tank)
Underworld Mask, Archer
027-3:

	* Moved tiles from Over2 to Over
	* Removed empty Layer Over3
	* Moved some other Tiles around in the Layers
	* Blocking out staff through wall still in tact.