v4.0

Added code from pull request made by Starz0r (https://github.com/Starz0r)
Removed commented out code
Added returns to voids to prevent memory leaks
moved main() function to end of program to stop gcc warnings
fixed a line where a const was missing the const in the definition
removed #include <SDL2/SDL_image.h> due to it not being required and not listed in the dependencies

v3.0

Improved AI. Recommended that you compile due to reports of bad memory leaks occurring.

v2.0

Version 2.0 (bug fixes and player modes)

v1.0

Version 1.0 (first release)