Revit Toolkit v2017.2.20

• for .NET Standard 2.0 (.NET Core 2.0, .NET Framework >= 4.6.1 etc) use CodeCave.Revit.Toolkit.2017.2.20.nupkg file
• for .NET Framework 4.5.x use CodeCave.Revit.Toolkit.NetFramework.2017.2.20.nupkg file