DNS resolution even if the user does not route the local network through the tunnel.
- Format listCONF in a similar way as listOVPN
- Specifically look for a free octet in the last word of clients.txt and not just any word.
Necessary otherwhise public keys starting with a number will match against an octet.
Example: if line is 'name 5abcdefgh 4', then looking for ' 5' will match but '5$' will
not (correctly).
- 'pivpn -c' will show the Connected Clients List for WireGuard too
Currently apt pulls all packages from the unstable repo because the
script intendation created the file 'limit-unstable' with tabs in it.
Fixed using printf to create a multiline file (which is the way
wireguard.com/install suggests).
