Fix emiting bug.

Signed-off-by: EnderAlice- <enderalice@yahoo.com>
Fix item ID mismatching.

Signed-off-by: EnderAlice- <enderalice@yahoo.com>
Add creative tab.

Signed-off-by: EnderAlice- <enderalice@yahoo.com>
Fix changes is not notificated to other players.

Signed-off-by: EnderAlice- <enderalice@yahoo.com>
Fix name in LICENSE.

Signed-off-by: EnderAlice- <enderalice@yahoo.com>
Add ignore list.

Signed-off-by: EnderAlice- <enderalice@yahoo.com>