Major Update

Took original code and added Win64 support. Problem was with pre-built
DLL dependencies (Assimp).

Added Logger class.
- Static methods to allow calling from anywhere in the program.
- Function timing, with macros to denote entering and exiting functions.

Added DebugInfoScreen.
- Overlay showing debug text.
- Static methods.
- Used some original code from camera class, with fixes.