Added config directory to be determined through platformdirs package
Added pysetup directory with setup.py script and additional code to make
properly assembled python wheel distribution.
To make wheel run: python3 pysetup/setup.py bdist_wheel
When wheel installed into the system the 'coriolis' command available.
Running coriolis from python package folder implemented
through preloading of required *.so files in proper order
(no need to install shared libraries in system folders).
Serge Rabyking