v2.0.0 - Target netstandard2.0 and netstandard2.1

• C# version is now set to 8.0 to use nullable reference types.
• .NET Core SDK is set in global.json to 3.1.300, with latestPatch rollForward.
• Dropped support for netstandard1.3
• Target netstandard2.0 and netstandard2.1

v1.2.0 - Add SourceLink support

This release adds SourceLink support to the NuGet package.

More information:

• https://github.com/dotnet/sourcelink
• https://www.hanselman.com/blog/ExploringNETCoresSourceLinkSteppingIntoTheSourceCodeOfNuGetPackagesYouDontOwn.aspx

v1.1.0 - Repackage to support .NET Standard 1.3

• The class library now targets .NET Standard 1.3
• Migrated the unit tests to xUnit