anchor.diff:  
   let self = dotnetPackages // overrides; dotnetPackages = with self; {
   
  +  # BINARY PACKAGES
  +
     Autofac = fetchNuGet {
       baseName = "Autofac";
       version = "3.5.2";
  
positive.code:       platforms = with stdenv.lib.platforms; linux;
      };
    };
  }; in self
  
negative.code:     sha256 = "0760kzf5s771pnvnxsgas446kqdh1b71w6g3k75jpzldfmsd3vyq";
      outputFiles = [ "lib/portable-net45+win8+wp8+wpa81/*" ];
    };
  
    Suave = fetchNuGet {
      baseName = "Suave";
      version = "0.29.0";
      sha256 = "0rgqy0afwm50gq5ca94w16s565yx5wf961683ghfld6ir0k3dhln";
      outputFiles = [ "lib/net40/*" ];
    };
  
    # SOURCE PACKAGES
  
    ExtCore = buildDotnetPackage rec {
      baseName = "ExtCore";
  