Rpyc

-----
* Changed versioning scheme: now 3.0.3 instead of 3.03, and the version tuple is (3, 0, 3)

* Added ``servers/vdbconf.py`` - a utility to manage verifier databases (used by ``tlslite``)

* Added the ``--vdb`` switch to ``classic_server.py``, which invokes a secure server
(TLS) with the given VDB file.

--------
Known Issues
^^^^^^^^^^^^
* Windows - pipe server doesn't work

- Merged 3.7 and 3.8 teleportatio compat enhancement `371`_
- Fixed connection hanging due to namepack cursor `369`_
- Fixed test dependencies and is_py_* for 3.9

.. _371: https://github.com/tomerfiliba/rpyc/issues/371
.. _369: https://github.com/tomerfiliba/rpyc/issues/369

- Performance improvements: `366`_ and `351`_
- Merged fix for propagate_KeyboardInterrupt_locally `364`_
- Fixed handling of exceptions for request callbacks `365`_
- Partially fixed return value for netref.__class__ `355`_

.. _366: https://github.com/tomerfiliba/rpyc/issues/366
.. _351: https://github.com/tomerfiliba/rpyc/pull/351
.. _364: https://github.com/tomerfiliba/rpyc/pull/364
.. _365: https://github.com/tomerfiliba/rpyc/issues/365
.. _355: https://github.com/tomerfiliba/rpyc/issues/355

- Fixed unexpected behavior when using inspect.isfunction `426`_
- Now prevents installation of RPyC on unsupported versions of python `429`_

.. _426: https://github.com/tomerfiliba/rpyc/issues/426
.. _429: https://github.com/tomerfiliba/rpyc/pull/429