Added: lib, dll, and headers for SDL_ttf
Added: Overlay stub code.
Work on overlay class; will use the built in SDL_ttf font loader to load the font.
Continued overlay. Switched to tinyfont.
Overlay complete except for alpha blending, currently attempting to fix.
Fixed alpha blending.
Fixed: Renderer now applies frame texture with correct blending and orientation.
Fixed merge conflicts for overlay.