Add custom Observer_Slug to allow lowercasing and different separators
Integrate \Gasoline\Observer\Slug into \Gasoline\Model\Role
Add a private static $_view to Controller\Base
Merge branch 'develop' into feature/gasorm
Add method \Gasoline\Orm\Model::form_select()

Allows for creating form select-inputs from the database according to the model's defined conditions
Merge branch 'develop' into module/permissions
Update Gasoline\Orm\Model::form_select and fix bug with single-values given
Merge branch 'develop' into module/permissions