Adding work in progress for unauthenticated ajax handler
Removing user provider config in test environment as it is redundant
Completing implementation of KernelExceptionListener for returning correct 403 response codes when not logged in
Cleaning implementation of Session model, adding start of logic for redirecting back to login after session expiration (WIP)
Refactoring login reroute to a expired session handler closure
Adding expired session handler in App.Request so an expired server-side session is handled correctly by redirecting back to the login