Added Game class.
Moved typedefs into global header.
Added TombRaider level loader
Moved TombRaider structs into TombRaiderData
Validating pak before putting it in menu list
Generate action for Game on mouse clicks
Added Camera, Emitter, Mesh, Particle, ViewVolume
Added SkeletalModel, now using std::vector
Added Texture
Added World, WorldData, using std list and vector.
Load external sound effect files
Added Render