Merge pull request aristidb#45 from basvandijk/master

Support http-conduit-1.7

aws.cabal

@@ -78,7 +78,7 @@ Library
                        directory            >= 1.0     && < 1.3,
                        failure              >= 0.1.0.1 && < 0.3,
                        filepath             >= 1.1     && < 1.4,
-                       http-conduit         >= 1.6     && < 1.7,
+                       http-conduit         >= 1.6     && < 1.9,
                        http-types           >= 0.7     && < 0.8,
                        lifted-base          >= 0.1     && < 0.3,
                        monad-control        >= 0.3,