Merge pull request #8 from Xephi/master

Hook with DungeonMaze
Added soft depends
Fix Factions 1.6.9.4 support. (1.7/1.8 still work)
Fix saving inventory with meta information. (Rely on ProtocolLib now).
* Better error handling when loading serialized items.
* Add better error handling for ProtocolLib hooks.
* Add support for v0.10.x pvparena.
Fix blacklisted worlds option.
Refactoring.
Merge pull request #1 from cnaude/master

Update the fork