public static LinkedList<INEIGuiHandler> guiHandlers = new LinkedList<INEIGuiHandler>();
public static HashSet<Class<? extends GuiContainer>> customSlotGuis = new HashSet<Class<? extends GuiContainer>>();
public static void load() {
API.registerNEIGuiHandler(new NEICreativeGuiHandler());
API.registerNEIGuiHandler(new NEIChestGuiHandler());
API.registerNEIGuiHandler(new NEIDummySlotHandler());
customSlotGuis.add(GuiContainerCreative.class);
}