Don't honour range requests for non-200 instances.
Don't honour range requests for non-200 instances.

darcs-hash:20081204215705-4cc09-f8fb434ded642e10cc87328dbc4592c39a187f9c.gz

TierraDelFuego/opilop,feijilei/polipo,toke/polipo,berkley4/polipo,ajmgh/polipo,fqtools/polipo,jech/polipo,galeksandrp/polipo,gorakhargosh/polipo,clowwindy/polipo,dxq-git/polipo,jech/polipo,fukusaka/polipo,nxtreaming/chumen,doublec/namecoin-polipo,nxtreaming/chumen,jech/polipo,akkakks/polipo,dxq-git/polipo,lkraider/polipo,akkakks/polipo,galeksandrp/polipo,ssb22/polipo2,nxtreaming/chumen,berkley4/polipo,feijilei/polipo,danchr/polipo,jeromelebel/polipo,Psiphon-Inc/polipo,berkley4/polipo,Android-Apps/polipo,strongwillow/polipo,ssb22/polipo2,fqtools/polipo,lkraider/polipo,feijilei/polipo,akkakks/polipo,galeksandrp/polipo,dxq-git/polipo,strongwillow/polipo,fqtools/polipo,lkraider/polipo,ssb22/polipo2,Android-Apps/polipo,caeies/polipo-caeies