[Haskell-cafe] Haxr doesn't compile from cabal (HTTP > 4000 breaks it)

[Henning Thielemann]

Most breakage caused by new HTTP package is due to the renaming from 
Response to Response_String and Request to Request_String. I think it was 
not a good idea to do that. There could have well be two types named 
Response from different modules, one with a type parameter and the other 
one without. Or the parametrized variant could have be named 
ResponseGeneric or so. That would have allowed packages to work both with 
version 3001 and 4000.