Complete rewrite with loads of goodies!

This is the first build in the version three release series. All existing issues have been cleared and support will no longer be provided for earlier releases.

• Written entirely from scratch.
• New storage system (from SimpleWarp).
• Reset progress updates.
• Better region blocking.
• Improved level handling and storage.
• Added safety feature to /mine destroy.
• Added /mine about.
• Entities are no longer cleared (need a newer PocketMine build though).
• Added automatic reset timers (must be setup manually in the yml file).