state removal

helm.go

app.After = func(c *cli.Context) error {
	select {
	case <-log.ErrChan:
	    return errors.New("Exiting with errors")
	default:
	    return nil
	}
}

log.go

var ErrChan = make(chan bool, 1)

func Err(format string, v ...interface{}) {
	fmt.Fprint(Stderr, pretty.Colorize("{{.Red}}[ERROR]{{.Default}} "))
	fmt.Fprintf(Stderr, appendNewLine(format), v...)
	select {
	case ErrChan <- true:
	default: 
	}
}