PodmanClient() introduces docker-py functionality, while additionally allowing access to Podman unique functionality such as Pods.
Note: APIConnection() and it's support classes will be deprecated.
Known Limitations:
* PodmanClient() currently only connects to UNIX domain socket.
* Container attach and exec not implemented.
* Podman Network API not well documented or tested, the compatibility API to better align with docker-py
* Podman does not support:
* Swam operations
* Container update, Container rename is supported