'All information about the SessionItem'

def __repr__(self):

    string = ('[%d]    %s    (%s)\n' % (self.id, self.name, self.status))
    string += ('                Description    :    %s\n' % self.description)
    string += ('                Contract                :    %s\n' % str(self.contract))
    string += ('                History                    :    %s\n' % str(self.history))
    return string
