Variadics passed by reference

#310 _mostly_ fixed the issue with variadics...

still an issue when passing by reference

> expected 1 space between comma and argument "$moreParams"; 0 found

```
/**
 * Variadic passed by reference
 *    https://wiki.php.net/rfc/variadics#by-reference_capture
 */
function methodProtected($param, &...$moreParams) {
}
```
