Fix returns in asset methods

Signed-off-by: Alberto Corona <albcoron@gmail.com>
Fix returns in filesystem methods

Signed-off-by: Alberto Corona <albcoron@gmail.com>
Fix returns in global functions

Signed-off-by: Alberto Corona <albcoron@gmail.com>
Fix comparison operator in globaltimer

Signed-off-by: Alberto Corona <albcoron@gmail.com>
Fix returns in init methods

Signed-off-by: Alberto Corona <albcoron@gmail.com>
Fix returns in input function

Signed-off-by: Alberto Corona <albcoron@gmail.com>
Fix SDL_Color setting

Alpha is now able to be set

Signed-off-by: Alberto Corona <albcoron@gmail.com>
Remove faulty window & renderer set

Signed-off-by: Alberto Corona <albcoron@gmail.com>
Remove quit boolean, was unused

Signed-off-by: Alberto Corona <albcoron@gmail.com>