Use __new__ instead of instance(), this way we can just use the same config
object as Config().do_something.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>k
Have this in the effective main() methods (or close to that anyway) instead of
hidden away in the config implementations.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>