Matrix: Static Translation method
Pawn: Add Get/SetScale methods
Pawn: Default scale is now 1, 1, 1
Pawn: Bind now sets bge_Scale uniform
bge_Model matrix now uses bge_Scale
Pawn: Fixed some comments
Pawn: Now sets bge_Rotation in current shader
bge_Model now uses bge_Rotation
bge_Position uniform now a mat4x4