Changing subset doesn't update the socket

Hi,

In my controller I have this,

```
$sailsBind.bind('model, $scope, $scope.pagination);
```

When I change `$scope.pagination` in my controller, the change isn't passed on to the socket. Cant redeclare `$sailsBind.bind()` because it breaks the model in sailsjs and eventually I end up with an empty model.

Cheers,

Ash
