more lookup stuff
Add Copy to all RRs
Merge branch 'master' of github.com:miekg/dns
add more Copy functions
more copys
More Copy() methods
more Copy() functions
Actually copy the RR for DNSSEC validation.

This is needed because we need to fiddle with the TTL and sometimes
even need to lowercase the rdata. We dont want this to propagate
to the original RRs
gofmt -w
Export rr_mk (Rr_mk)
export unpackStruct
unexport unpackStruct
revert this too
tweaks to give more power to unbound package
Merge branch 'master' of github.com:miekg/dns
use buffered channels, as per Robs suggestion
added
Merge branch 'master' of github.com:miekg/dns
update
remove lookup