Send nodes even when values is present.
Send nodes even when values is present.

This is technically a violation of the spec, but I've been assured
that it doesn't break any deployed implementation.  It is also what
both libtorrent and uTorrent do.

loadletter/dht256,Erkan-Yilmaz/dht,tempbottle/dht-1,cfpp2p/dht,mikedld/dht,Librevault/dht,jech/dht,gabrielfalcao/dht,raspopov/dht