return exit(1) if lookup for -l,-r, or -i fails. fix ipv4/ipv6 handling. do not use wanlink zone by default. make sure to tell user they need a zone.
return exit(1) if lookup for -l,-r, or -i fails. fix ipv4/ipv6 handling. do not use wanlink zone by default. make sure to tell user they need a zone.

nkhorman/spamilter,nkhorman/spamilter,nkhorman/spamilter,nkhorman/spamilter,nkhorman/spamilter,nkhorman/spamilter