anchor.diff:      let mainDllWithPath = srcDir @@ mainDll 
   
       tryDelDir tmp
  -    ensureDirectory (tmp @@ "lib/net45")
  -    CopyFiles (tmp @@ "lib/net45") dllsWithPath
  +    myEnsureDir (tmp @@ "lib\\net45\\")
  +    CopyFiles (tmp @@ "lib\\net45\\") dllsWithPath
  +
       NuGet (fun p ->
               { p with
                   OutputPath = "./"
  
positive.code: )
  
  let BuildPackage projName dllsToCopy mainDll dependencies nuspecFile = 
      let tmp = "$nuget_create"
      let srcDir = dir projName
  
      logfn "Source directory: %s" srcDir
  
negative.code:             System.IO.Directory.Delete(path, true)
      with
      | _ -> ()
  
  let myEnsureDir path = 
      if not (System.IO.Directory.Exists(path)) then
          System.IO.Directory.CreateDirectory(path) |> ignore
  
  let getVersion file = 
      let betaVer = if betaVer <> "" then "-" + betaVer else betaVer
  