authentication.php
public function stretch($url)
    {
        $this->root = $this->getCommonPath($this->root, $url->getPath());
    }
public function stretch($url)
    {
        $this->root = $this->getCommonPath($this->root, $url->getPath());
    }
Adds another location to the realm.

@param SimpleUrl $url    Somewhere in realm.