Added new toString method to Vector4D.
Small changes and notes.
Added new methods and fixed some bugs.
Revert "Small changes and notes."

This reverts commit cc51e505f14caeeda8a22e323952895a6375698b.
(Small mistake while commiting here!)
Added new shaders.
Added UTF-16 capable font-rendering system.
Fixed some bugs in the FrameBuffer class.
New methods.
New methods and notes.
Massive changes. Too many to list.

Notable:
- Split everything up into mroe methods.
- Added new features.