PriorityCounter / Movement Tests

Priority Counter is now increased inside the UpdateWeight of
CacheObject.
Fixed Vector3 Increased Z Value in RayCast Function.
Safe Movement Finding Will Add Half of Character Radius to Vector3 it is
testing, and will return the original Vector3.
Reduced time for GPRectangles ObjectUpdateCount Method to 250ms (was
900ms).
Reduced Z-Height Difference from 20f to 10f for units.