handle AAAA queries for external IPs
handle AAAA queries for external IPs

Closes #188.

cgvarela/weave,paulbellamy/weave,BWITS/weave,beni55/weave,squaremo/weave,Lawouach/weave,awh/weave,beni55/weave,inercia/weave,weaveworks/weave,errordeveloper/weave,weaveworks/weave,kidaa/weave,2opremio/weave,awanke/weave,ycaihua/weave,awh/weave,philipz/weave,BWITS/weave,19hz/weave,bboreham/weave,OnePaaS/weave,bboreham/weave,inercia/weave,narry/weave,aaam/weave,kidaa/weave,n054/weave,rade/weave,squaremo/weave,ycaihua/weave,errordeveloper/weave,kidaa/weave,awanke/weave,dpw/weave,2opremio/weave,narry/weave,tomwilkie/weave,philipz/weave,ycaihua/weave,beni55/weave,BWITS/weave,2opremio/weave,n054/weave,awanke/weave,paulbellamy/weave,aaam/weave,OnePaaS/weave,dpw/weave,paladin74/weave,19hz/weave,dpw/weave,narry/weave,achanda/weave,Lawouach/weave,inercia/weave,19hz/weave,BWITS/weave,achanda/weave,2opremio/weave,n054/weave,2opremio/weave,tomwilkie/weave,BWITS/weave,squaremo/weave,tomwilkie/weave,19hz/weave,rade/weave,achanda/weave,bboreham/weave,Lawouach/weave,bboreham/weave,n054/weave,awh/weave,paladin74/weave,inercia/weave,ycaihua/weave,aaam/weave,aaam/weave,rade/weave,awh/weave,philipz/weave,weaveworks/weave,narry/weave,achanda/weave,beni55/weave,paulbellamy/weave,dpw/weave,rade/weave,tomwilkie/weave,squaremo/weave,narry/weave,kidaa/weave,errordeveloper/weave,beni55/weave,inercia/weave,ycaihua/weave,OnePaaS/weave,paladin74/weave,awh/weave,cgvarela/weave,philipz/weave,cgvarela/weave,aaam/weave,bboreham/weave,errordeveloper/weave,OnePaaS/weave,kidaa/weave,tomwilkie/weave,cgvarela/weave,errordeveloper/weave,Lawouach/weave,OnePaaS/weave,rade/weave,awanke/weave,philipz/weave,paulbellamy/weave,weaveworks/weave,awanke/weave,paladin74/weave,paladin74/weave,dpw/weave,cgvarela/weave,n054/weave,achanda/weave,squaremo/weave