At the moment you need to log out to activate any changes in the config, preferences or the apps enabled for a user. This can be changed easily by invalidating the cache.
2) New way to create an anoymous session: you can specify a callback function, which gets called if the session could not be verified. The callback can use the DB or instanciate a config object to get the account-date, which it returns. A new session get then created.
