func (command *Command) FlashError(message string) {
command.clear()
command.ColorOn(command.error_color)
command.Print(message)
command.ColorOff(command.error_color)
command.Refresh()
goncurses.NapMilliseconds(1000)
command.clear()
}
func (list *List) FlashError(message string) {
bottom, _ := list.Maxyx()
list.refresh()
list.ColorOn(list.error_color)
list.MovePrint(bottom-2, 2, message)
list.ColorOff(list.error_color)
list.Refresh()
goncurses.NapMilliseconds(1000)
list.refresh()
}