- fixed issue on bulk action being run even without any items selected
- added WP like feature regarding item selection, if all items are checked, it also checks the header/footer checkboxes
- fixed issue where the selection state was not properly reset
- added List column to subscribers
- added json_encode/json_decode to Twig
- finished implementing forms
- fixed form reset when clicking on new
- fixed responsive for select all checkbox and toggle item details
- refactored listing items' actions
- added Trash action
- cleaned up validations on models
- fixed syntax
- fixed tests
- added a Listing Handler class to take care of listing params
- added status column to Subscriber
- added specific methods to both Newsletter & Subscriber models for listing
