composer.go
func AddWindow(posX, posY, width, height int, title string) *Window {
	window := CreateWindow(posX, posY, width, height, title)
	window.SetBorder(comp.windowBorder)

	comp.BeginUpdate()
	comp.windows = append(comp.windows, window)
	comp.EndUpdate()
	window.Draw()
	term.Flush()

	comp.activateWindow(window)

	RefreshScreen()

	return window
}
func AddWindow(posX, posY, width, height int, title string) *Window {
	window := CreateWindow(posX, posY, width, height, title)
	window.SetBorder(comp.windowBorder)

	comp.BeginUpdate()
	comp.windows = append(comp.windows, window)
	comp.EndUpdate()
	window.Draw()
	term.Flush()

	comp.activateWindow(window)

	RefreshScreen()

	return window
}
// AddWindow constucts a new Window, adds it to the composer automatically,
// and makes it active
// posX and posY are top left coordinates of the Window
// width and height are Window size
// title is a Window title