[test] Add a "version" to cubicweb_mycube/__pkginfo__.py
Starting from Python 3.5, unittest_cwctl.py::CubicWebCtlTC.test_list()
would fail without this.
.. _appobject_module:
:mod:`cubicweb.appobject`
=========================
.. automodule:: cubicweb.appobject
.. autoclass:: AppObject
:show-inheritance:
:members: