Experimental Pokkit 0.11.2

please supporting gui.
if plugin have gui , its not working

This is great and useful, But please add BossBar support.

works fine so far pls add: java.lang.UnsupportedOperationException: This method is not supported yet by Pokkit 0.7
at nl.rutgerkok.pokkit.Pokkit.unsupported(Pokkit.java:81) ~[?:?]
at nl.rutgerkok.pokkit.inventory.PokkitPlayerInventory.setItemInOffHand(PokkitPlayerInventory.java:134) ~[?:?]
at timers.fTimer.run(fTimer.java:163) ~[?:?]
at cn.nukkit.scheduler.TaskHandler.run(TaskHandler.java:99) [nukkit.jar:?]
at cn.nukkit.scheduler.ServerScheduler.mainThreadHeartbeat(ServerScheduler.java:244) [nukkit.jar:?]
at cn.nukkit.Server.tick(Server.java:1019) [nukkit.jar:?]
at cn.nukkit.Server.tickProcessor(Server.java:794) [nukkit.jar:?]
at cn.nukkit.Server.start(Server.java:771) [nukkit.jar:?]
at cn.nukkit.Server.<init>(Server.java:447) [nukkit.jar:?]
at cn.nukkit.Nukkit.main(Nukkit.java:59) [nukkit.jar:?]

Good!, Need some improvements