Log Message:
py-plumbum: updated to 1.7.1

1.7.1
-----
* Paths: glob with local paths no longer expands the existing path too
* Paramiko: support reverse tunnels
* SSHMachine: support forwarding Unix sockets in ``.tunnel()``
* CLI: Support ``COLOR_GROUP_TITLES``
* Fix a deprecated in Python 3.10 warning
* Extended testing and checking on Python 3.10 and various PyPy versions. Nox is \ 
supported for easier new-user development.