Juho Kolehmainen

It looks like ```backports.zoneinfo``` isn't even needed anymore with the default Python 3.8 available in current DSM 7.2-64570. So I removed the whole dependency from the latest 0.4.1 release. Seems...

The [keyring library ](https://keyring.readthedocs.io) used by pyiCloud supports multiple backends but I'm not really sure if any of them is available for Synology DSM.

The script should just ask for text input. Maybe your home directory is missing or something because it crashes for FileNotFoundError when trying to create the cookie directory (~/.pyicloud). Here...