Memory leak

[jbliao]

Memory will increase dramatically by just execute a script and read response.
The example below will consume your memory 2MB/s, and not go down any more

func do() {

	rs := powershell.CreateRunspaceSimple()
	defer rs.Close()

	script := `
	Get-NetRoute | ConvertTo-Json
	`
	res := rs.ExecScript(script, false, nil)
	defer res.Close()

	log.Println(res.Exception.ToString())

	if len(res.Objects) > 0 {
		log.Println(len(res.Objects[0].ToString()))
	}
}

func main() {
	for {
		do()
	}
}

My application will sleep 5 minutes between every do(), and still increasing. It seams some memory not freed by GOGC