0.0.16

Overview of changes

• Add a reset command
• Document requirements for distro support
• Don't use a toolbox container until after it has been configured
• Drop the coloured heading from 'list'
• Miscellaneous fixes to Bash completion
• Remove the hidden --sudo option and the /etc/sudoers.d snippet
• Try to migrate to a supported OCI runtime if 'podman start' suggests so
• Unbreak 'run' if container lacks files that are redirected to the host