[Position, Pathfinding] commented out forcesanity. refactored node and find for openlist
[Pathfinding] Added compareNodes.
[Pathfinding] Rewrote exists to use find.
[Pathfinding] Removed the NodeList argument from exists. Renamed equals and equalsPos. Fixed errors in find and compareNodes. Fixed syntax errors with function to memeber pointers.
[Pathfinding] Fixed remove function.