added UserAlreadyRegisteredException

Signed-off-by: Christian Lüthold <biocodr@gmail.com>
isRegistered test, adapted register process

Signed-off-by: Christian Lüthold <biocodr@gmail.com>
autostart() added, can be used fluidly

Signed-off-by: Christian Lüthold <biocodr@gmail.com>
remove autostart fluid api

Signed-off-by: Christian Lüthold <biocodr@gmail.com>
isRegistered() and test successfully implemented

Signed-off-by: Christian Lüthold <biocodr@gmail.com>
added isLoggedIn()

Signed-off-by: Christian Lüthold <biocodr@gmail.com>
added isLoggedIn() test, not yet finished

Signed-off-by: Christian Lüthold <biocodr@gmail.com>
added isLoggedIn() test

Signed-off-by: Christian Lüthold <biocodr@gmail.com>
isRegistered() now checked by means of user profile

Signed-off-by: Christian Lüthold <biocodr@gmail.com>