New option to list a user's (or all) extant tokens.

[cryptomail] / .userv / rc

### Userv configuration for cryptomail

if glob service generate
	no-suppress-args
	execute bin/uwrap generate -f %@cryptomail.distorted.org.uk
fi

if glob service info
	no-suppress-args
	execute bin/uwrap info
fi

if glob service revoke
	no-suppress-args
	execute bin/uwrap revoke
fi

if glob service list
	no-suppress-args
	execute bin/uwrap list
fi

if glob service help
	no-suppress-args
	execute bin/uwrap help
fi

if ( glob service addrcheck:cryptomail-default
   & glob calling-user qmaild
   )
	no-suppress-args
	execute bin/cryptomail addrcheck --
fi