constructor(options) {
		this.options = options
		this.port = options.port || PORT;
		this.server = null;
		this.wsServer = null;
		this.latency = new Latency({});
		this.totalRequests = 0
		this.partialRequests = 0
		this.debuggedTime = Date.now();
		this.body = options.body || 'OK'
		if (options.file) {
			this.body = readFileSync(options.file)
		}
	}
A test server, with the given options (see below on startServer()).