'Reset the dictionary.'

def clear(self):

    self.data.clear()
    self.notes = u''
    self.titlesRefs = {}
    self.namesRefs = {}
    self.charactersRefs = {}
    self.current_info = []
    self.infoset2keys = {}
    self.key2infoset = {}
    self.__role = None
    self._clear()
