Update index.html

Add the unguard functionality of Eloquent http://laravel.com/api/source-class-Illuminate.Database.Eloquent.Model.html#1587-1595
And reguard functionality http://laravel.com/api/source-class-Illuminate.Database.Eloquent.Model.html#1597-1605
Merge pull request #43 from peterfox/master

Update index.html