Spawn

Added:

• Teleport on world change (disabled by default)
  • if the new world is not the spawn world
  • if the world on join is not the spawn world (disabled by default)
  • permission to ignore this feature: spawn.bypass.world-change
• bStats

Changed:

• Mark teleportation with Plugin TeleportCause
• Small internal refactor & cleanup

Fixed:

• Errors that can occur when using invalid config values