Error:  property does not exist
Ratchet/AbstractConnectionDecorator.php on line 31
"Workaround" (??):

``` php
    public function __get($name)
    {
        $value = null;
        if (property_exists($this->wrappedConn, $name)) {
            $value = $this->wrappedConn->$name;
        }
        return $value;
    }
```
