Adding examples to gel.
Abstracting a box object in gel, and cleaning things a bit.
Adding rotation to box, and new example for it.
Singular example.
Starting the README.
Adding mouse based hooks, and an input example.
Updating example to match style of other.
Set all colors easily with some faked shading.
Only call set if it was defined.
Merge pull request #16 from nixpulvis/gel

Gel improvements