Fix relative url following.
Fix relative url following.

vxgmichel/asyncio,gsb-eng/asyncio,gsb-eng/asyncio,Martiusweb/asyncio,gvanrossum/asyncio,haypo/trollius,vxgmichel/asyncio,fallen/asyncio,jashandeep-sohi/asyncio,1st1/asyncio,vxgmichel/asyncio,ajdavis/asyncio,Martiusweb/asyncio,1st1/asyncio,ajdavis/asyncio,gvanrossum/asyncio,manipopopo/asyncio,gvanrossum/asyncio,Martiusweb/asyncio,fallen/asyncio,haypo/trollius,ajdavis/asyncio,jashandeep-sohi/asyncio,jashandeep-sohi/asyncio,manipopopo/asyncio,gsb-eng/asyncio,haypo/trollius,1st1/asyncio,fallen/asyncio,manipopopo/asyncio