Implemented more rendering things, primarily regarding math. Specifically:
Implemented MathHelper.pow(), square(), and toRadians(Vector<Float>).
Renovated MatrixHelper.
Vector now has constants for X, Y, and Z axes.
Implemented IGLManipulator, in preparation for lighting.
Fixed Buffer.add() finally.
Attached LWJGL Util sources.
Minor GLSL vertice shader refactor.