code: public function version($ident = null)
      {
          if ($this->version === null) {
              $this->version = $this->request("version")->toList();
          }
  
          return ($ident && array_key_exists($ident, $this->version)) ? $this->version[$ident] : $this->version;
      }
docs: Returns the servers version information including platform and build number.
  
  @param  string $ident
  @return mixed