Update to latest http Request API.
Update to latest http Request API.

(Which is signature compatible with the older API,
so we'll at least compile against the vanilla,
unpatched Go release.)
implements io.ReadSeeker for a string, and use it
for the body of http.Request.

zyxar/taipei,FlexibleBroadband/Taipei-Torrent,FlexibleBroadband/Taipei-Torrent,beni55/Taipei-Torrent,nictuku/Taipei-Torrent,nictuku/Taipei-Torrent,beni55/Taipei-Torrent,Dataman-Cloud/Taipei-Torrent,ansonwzj/CPSC416Taipei,Dataman-Cloud/Taipei-Torrent,rakoo/rakoshare,rakoo/rakoshare,ansonwzj/CPSC416Taipei