Removed non-functional code for ray/sphere intersection.
Fixed ray/sphere intersection using a smaller function. Removed old intersection code.
Made adjustments to test sphere intersection.
Rearranged scene to form a color wheel with spheres.
Added ray/plane intersection. Also added some test objects to the scene.
Fixed small bug in ray/sphere intersection code. t0 and t1 represent the two points where a ray intersects a sphere.
Started implemented lights into the scene. Began writing a shade function to compute color shading based on light sources.