1. Added commenting for readability
2. Changed initial brightness so that scene starts bright and not dark/near black.
Completed part D: changing near clipping distance.
- Only changed content within redisplay function.
- Changed the nearDist by reducing it a factor of 20.
- Multiplied the near clipping part so that only left, right, bottom, top were affected/changed in frustrum (cancelled the change for the near distance of the frustrum function call)
Changed reshape function only, solving part E:
	Added condition so that height changed when window width is less than height, and vice versa