anchor.diff:      ==> "Build"
       ==> "Pack"
       ==> "Test"
  -    ==> "CheckPendingChanges"
       =?> ("AppVeyorPush", isAppVeyorBuild)
       =?> ("PushToNuGet", shouldPushToGithub)
       =?> ("GitTag", shouldPushToGithub)
  
positive.code:         Project = proj
          Configuration = "Release"
          OutputPath = ".." </> Directory.GetCurrentDirectory() @@ BuildDir
          AdditionalArgs =
              [
                  "--no-build"
  
negative.code: 
  [<Literal>]
  let DotNetVersion = "2.0.0-preview1-005977"
  
  let mutable dotNetTools = "dotnet"
  
  let isDotNetInstalled = DotNetCli.getVersion() = DotNetVersion
  
  