Re-order engine.Engine's methods
Add engine.Options base class
Add Options.confirm and Options.cancel
Add an Options class for the SDL engine
Add an unexported class sdl.Internals for sharing data between sdl.Options and sdl.SDL
Make sdl.Internal, sdl.Options and sdl.SDL work together (hopefully)
Add Engine.options and SDL.options
Pass the options object all the way from the Game to the Level's Director
Add getters to engine.Options
Add getters required by engine.Options to sdl.Options
Make quantee.DumbDirector toggle fullscreen each n seconds
Fix sdl.SDL.fulscreen