Not really sure what this head variable is for, but I guess I set it wrong when I re-wrote jsr's code.  Shouldn't it always be true?
Not really sure what this head variable is for, but I guess I set
it wrong when I re-wrote jsr's code.  Shouldn't it always be true?

sit/dht,weidezhang/dht,weidezhang/dht,sit/dht,sit/dht,weidezhang/dht,weidezhang/dht,sit/dht,sit/dht,weidezhang/dht