Pretty much all of security minus the gui.

and all the stuff I did that i forgot to comment.

items/contents/CellConfig.java

@@ -0,0 +1,24 @@
+package appeng.items.contents;
+
+import net.minecraft.item.ItemStack;
+import appeng.tile.inventory.AppEngInternalInventory;
+import appeng.util.Platform;
+
+public class CellConfig extends AppEngInternalInventory
+{
+
+	final ItemStack is;
+
+	public CellConfig(ItemStack is) {
+		super( null, 63 );
+		this.is = is;
+		readFromNBT( Platform.openNbtData( is ), "list" );
+	}
+
+	@Override
+	public void onInventoryChanged()
+	{
+		writeToNBT( Platform.openNbtData( is ), "list" );
+	}
+
+}