Preserve headers when following GET redirects
Preserve headers when following GET redirects

Ref. https://github.com/golang/go/issues/4800

rlugojr/hub,github/hub,pcorpet/hub,rlugojr/hub,boris-rea/hub,cpick/hub,github/hub,github/hub,cpick/hub,github/hub,tomasv/hub,tomasv/hub,cpick/hub,rlugojr/hub,pcorpet/hub,boris-rea/hub,tomasv/hub,boris-rea/hub,pcorpet/hub