Added additional vector classes.
Added glu32 lib + window is now delete when closed.
Lots of changed - Read notes

- Window can now be toggled full-screen and windowed with F11
- Added resize and key callbacks
- Window title is now passed in to createWindow and
createFullscreenWindow
- Added mouse movement callbacks and vector for storing mouse position.
- Changed projection from glOrtho to gluPerspective
Mouse pos vector and GLU include for GLFW
Implemented camera to the scene. (Doesn't work yet)