Now able to add previous guests to the event with the same UI functionality as food or game items.
Now able to add new guests to the list with the popup. NOTE: have not tested saving these temp guests to the database yet.
Can now remove invited users from session. NOTE: I have note tested saving these to the database yet.
Now able to update user invitations in session.
New user management in place. Saving to the database is working!
Updated UI to use the searching and CRUD mechanisms that are used for food items.