Implemented support for SOCKS5.
Implemented support for SOCKS5.

darcs-hash:20060904225751-4cc09-62f6d12ce1e992c2b43d520558237dd0baa2c11a.gz

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