def get_message_ChangeNumber(self, server):
        return self.get_message_attribute(server, "ChangeNumber")
alternate: manage.py can execute user commands if settings are provided as argument
dataset/ETHPy150Open byt3bl33d3r/pth-toolkit/lib/python2.7/site-packages/openchange/mailbox.py/OpenChangeDB.get_message_ChangeNumber--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.4/tests/regressiontests/admin_scripts/tests.py/ManageAlternateSettings.test_custom_command_with_settings