Started working on changing levels ingame

Signed-off-by: Olof Wallentin <olov.wallentin@gmail.com>
Switcing levels now works! Also redid the Countable GUI component to be more script specific. It will load according to the name of the level.

Signed-off-by: Olof Wallentin <olov.wallentin@gmail.com>
Commit before merging with Olof before tuesday testing.

Signed-off-by: Farbror Tiny <jens.syntax@gmail.com>