docs: function HiddenServer(opts) {
    if (!(this instanceof HiddenServer)) return new HiddenServer(opts);
  
    this.set(require('../settings.json'));
    this.set(opts);
    this.uri = this.get('publicServer') + this.get('pingUri').replace(':hiddenServerName', this.get('hiddenServerName'));
    debug('uri', this.uri);
    this.init();
  }