Migrated .Net Framework projects to .NET, retargeted projects for netstandard2.1 and/or net6.0 where appropriate, upgraded language level to latest for use with .NET 6 Update README.md Update dotnetcore.yml Update dotnetcore.yml Update dotnetcore.yml Update dotnetcore.yml Remove unused Merge pull request #595 from Crytilis/master Migrated .NET Framework and upgraded projects in anticipation of NET6