vector class operators

Signed-off-by: Otakode <marchal.cl@gmail.com>
Merge branch 'master' of https://github.com/otakode/Ninja

Conflicts:
	Arkanoid/Debug/vc120.idb
	Debug/Engine.lib
	Engine/Debug/Engine.log
	Engine/Debug/Game.obj
	Engine/Debug/GraphicsManager.obj
	Engine/Debug/PhysicsManager.obj
	Engine/Debug/vc120.idb
	Engine/Debug/vc120.pdb
	Ninja.sdf
	Ninja/Debug/Ninja.log
	Ninja/Debug/vc120.idb
	Ninja/Debug/vc120.pdb

Signed-off-by: Otakode <marchal.cl@gmail.com>