refactor handling of data for session feed_dict, create SessionData namedtuple
refactor handling of data for session feed_dict, create SessionData namedtuple

RasaHQ/rasa_core,RasaHQ/rasa_core,RasaHQ/rasa_nlu,RasaHQ/rasa_nlu,RasaHQ/rasa_core,RasaHQ/rasa_nlu