hrach/ndab — pull request #7 by norbe (2013-04-04 18:54:44+00:00)
Title: GroupedSelection accepts GroupedSelection

Now its possible to call related() on entities fetched via related...

For example:
```php
foreach($task->related('task', 'parent') as $tag) {
foreach($tag->related('task', 'parent') as $subtask) {
// now it works :-)
}
}
```