private ToneAnalyzer _toneAnalyzer;
private string _toneAnalyzerVersionDate = "2017-05-26";

void Start () {

		Credentials _credentials = new Credentials("username", "password", "url");
		_toneAnalyzer = new ToneAnalyzer(_credentials);
		_toneAnalyzer.VersionDate = _toneAnalyzerVersionDate;

	}