Version 1.9

1.9 is coming soon...

Missing/ToDo:

• BossBar 9bec4660
• Passengers 32942a0a

Bugs:

• Chunk parsing (still errors) 9872606d

Working things:

• New chunk format
• all mobs and objects (including meta data)

In this MR much stuff was refactored:

• removed identifier multi value support
• removed identifier object in many enums (blocks, entities, objects)
• enum merging (e.g. block actions)
• Removed Sound enum
• rename parameters from id to entityId (in entities and objects)

Also fixes many bugs from the previous versions: PacketHandling, ...