* Python packages should be installed as modules, and not use source files
* Use child_process spawn to call command and return data
* Consistent error rejection & resolve around spawn calls.
* Updated README to remove submodule ref & added how to install pip pcks.
* Resovled linting issue
* Removed python-shell package
* Disable stray functionality, unused & has dep to python-shell
* Uncommented/disabled python-shell dependency in strayRepository.
