Bukkit

This is a biggie update, this contains a lot of requested features but if you feel that it was not exactly what you wanted, feel free to message me.

- Added multiworld support

- Added detection for both the TOP and BOTTOM of the world.

- Majorly improved Edge (X/Z based/RoundWorld) teleportation

- New options for teleportation

- New config layout, have no fear, the system will automatically upgrade you if you are using an outdated config.

- New, more specified options for each type of sync (top, bottom, or edge)