New method getColorAsInt
Replaced getXY by get that returns GCoords
Added item
Renamed GCoords & GColor to Coords and Color, respectively
New TODO items
Nitpick cleanup
New method helper getDisplayPitch
Removal of comments
Comments cleanup
Alpha is now a signed integer (from unsigned)
Part of comments commit down below
Removal of Color::mapRGB(A) methods; getColorAsInt suffices
Updated TODO;
Removed const from (future) SDL_Display methods
Renamed source files GCoords & GColor
Renamed source files GCoords & GColor
Renamed methods UpdateScreen
Cleaned up Header File Preprocessors
Comments cleanup