anchor.diff:                        |> Map.toList
                         |> Seq.map (fun (k, v) -> k)
       allPackages |> Seq.iter GenerateTargetForPackage
  +
  +let Install () =
  +    let antho = Configuration.LoadAnthology ()
  +    InstallPackages antho.NuGets
   
   let Update () =
       let confDir = Env.GetFolder Env.Config
  
positive.code:     newAntho
  
  let Simplify (antho : Anthology) =
      PaketParsing.UpdateSources antho.NuGets
      Install ()
      
      let newAntho = SimplifyAnthology antho
      newAntho
  
negative.code:     files |> Seq.map (fun x -> AssemblyId.from x) 
            |> set
  
  
  let InstallPackages (nugets : RepositoryUrl list) =
      PaketParsing.UpdateSources nugets
  
      let confDir = Env.GetFolder Env.Config
      Exec.Exec "paket.exe" "install" confDir
  