Update Controller\Widget to work properly

Also add routes for widgets as 'widgets/<module|controller>/<controller|method>/<method|args>/<args|>
Update \Gasauth\Model\User with condition user_id != 0

Also update gaslogin to work this nicely in (since we cannot use Orm::query() anymore)
Add a widgets controller to module/users
Merge branch 'develop' into module/users
Update controller users/widgets to check permission before outputting anything
Update \Gasauth\Login\Gaslogin to throw a HttpServerErrorException if no guest-user was found