Use HTTP/1.1; couple of fixes/refinements.
Use HTTP/1.1; couple of fixes/refinements.

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