Basic World Flipping Implementation
work on #3
- WorldManager has 2 parent objects for each world.
- WorldManager can toggle which world is active.
Public Interface for WorldManager
work on #3
- Adds a public FlipWorlds() method to WorldManager which will allow other managers to flip the worlds (if necessary).
Merge pull request #5 from RocketSurgery/world_flipping

World flipping works because David is so cool.