anchor.diff:  // --------------------------------------------------------------------------------------
   // Build library & test project
   
  -let testNames = 
  -    [ "Deedle.Tests" 
  -      "Deedle.CSharp.Tests" 
  -      "Deedle.Documentation.Tests"
  -      "Deedle.PerfTests"   ]
  -
   let testProjs = 
       [ "tests/Deedle.Tests/Deedle.Tests.fsproj" 
         "tests/Deedle.CSharp.Tests/Deedle.CSharp.Tests.csproj" 
         "tests/Deedle.Documentation.Tests/Deedle.Documentation.Tests.fsproj"
  -      "tests/Deedle.PerfTests/Deedle.PerfTests.fsproj"  ]
  +      "tests/Deedle.PerfTests/Deedle.PerfTests.fsproj"
  +      "tests/Deedle.RPlugin.Tests/Deedle.RPlugin.Tests.fsproj"  ]
  +
  +let testCoreProjs = 
  +    [ "tests/Deedle.Tests/Deedle.Tests.fsproj" 
  +      "tests/Deedle.CSharp.Tests/Deedle.CSharp.Tests.csproj" 
  +      "tests/Deedle.Documentation.Tests/Deedle.Documentation.Tests.fsproj"
  +      "tests/Deedle.PerfTests/Deedle.PerfTests.fsproj" ]      
   
   let buildProjs =
       [ "src/Deedle/Deedle.fsproj"
         "src/Deedle.RProvider.Plugin/Deedle.RProvider.Plugin.fsproj" ]
  +
   let buildCoreProjs =
       [ "src/Deedle/Deedle.fsproj" ]
   
  
positive.code: 
  "BuildTests" ==> "All"
  "RunTests" ==> "All"
  "BuildTests" ==> "AllCore"
  "RunTests" ==> "AllCore"
  
  "All" ==> "NuGet" ==> "Release"
  "All" 
  
negative.code:   ==> "TagRelease"
    ==> "Release"
  
  RunTargetOrDefault "AllCore"