Added player.sendBlockUpdate() and partly fixed players being able to place blocks they don't have
Fixed Main.getEntityById(int entityId) and added drops to basic entities
Updated README
Instant-breakable blocks can now be broken
Fixed "can't connect to server" when pinging with another protocol version
Added PacketDataWrapper to be able to read and write custom objects way easier
Players will be kicked when sending invalid floats or doubles
Merge branch 'ferrybig'