Pytest-console-scripts

Changed
- Locate the Python interpreter through sys.executable

Fixed
- Do not rely on the Python interpreter being called `python`,
as that command does not exist in certain environments.

Added
- Add option to suppress printing script run results.
[41](https://github.com/kvas-it/pytest-console-scripts/issues/41)

Added
- Support scripts that are not in `console_scripts`.
[17](https://github.com/kvas-it/pytest-console-scripts/issues/17)