ComputerCraftAPI.registerExternalPeripheral: possible bug

@Mod(modid = ModInfo.ID, name = ModInfo.NAME, version = ModInfo.VERSION, dependencies=ModInfo.DEPENDENCIES)
@NetworkMod(clientSideRequired = ModInfo.clientReq, serverSideRequired = ModInfo.serverReq)
public class test
{
	// Got more code here, but it is a direct call to CC
		@Mod.EventHandler
	public void load(FMLInitializationEvent event)
	{
		ComputerCraftAPI.registerExternalPeripheral(TileEntityDispenser.class, new PeripheralHandler());
	}
}

public class PeripheralHandler implements IPeripheralHandler
{
	@Override
	public IHostedPeripheral getPeripheral(TileEntity tile)
	{
		return new PeripheralDispenser();
	}
}

public class PeripheralDispenser implements IHostedPeripheral
{
	private String storage = "";

	@Override
	public String getType() {
		return "dispenser";
	}

	@Override
	public String[] getMethodNames() {
		return new String[] { "t", "e" };
	}

	@Override
	public Object[] callMethod(IComputerAccess computer, ILuaContext context, int method, Object[] arguments) throws Exception
	{
		// Should do error checking, but Im testing
		if(method == 0 )
		{
			this.storage = (String) arguments[0];
			return new Object[] { arguments[0] };
		}
		if( method == 1 )
		{
			
			return new Object[] { this.storage };
		}
		return null;
	}

	@Override
	public boolean canAttachToSide(int side)
	{
		return true;
	}

	@Override
	public void attach(IComputerAccess computer)
	{
	}

	@Override
	public void detach(IComputerAccess computer)
	{
	}

	@Override
	public void update()
	{
	}

	@Override
	public void readFromNBT(NBTTagCompound nbt)
	{
		System.out.println("READING");
		this.storage = nbt.getString("DATA");
	}

	@Override
	public void writeToNBT(NBTTagCompound nbt)
	{
		System.out.println("WRITING");
		nbt.setString("DATA", this.storage);
	}
}