Make redirector code more robust to redirector failures.
Make redirector code more robust to redirector failures.

darcs-hash:20061119164142-4cc09-a67dd18da7d069d1aba856d6208e64680bcf36bc.gz

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