anchor.diff:        Project = "";
         Summary = null;
         Description = null;
  -      OutputPath = currentDirectory @@ "NuGet" }
  +      OutputPath = currentDirectory @@ "NuGet";
  +      PublishUrl = "http://packages.nuget.org/v1/";
  +      AccessKey = null;
  +      Publish = false}
    
   /// Creates a new NuGet package   
   let NuGet setParams nuSpec = 
  
positive.code:       Project: string;
        Summary: string;
        Description: string;                               
        OutputPath: string}
  
  /// NuGet default params  
  let NuGetDefaults() =
  
negative.code: 
      let parameters = NuGetDefaults() |> setParams
  
      // create .nuspec file
      CopyFile parameters.OutputPath nuSpec
  
      let specFile = parameters.OutputPath @@ nuSpec
  