Wodsoft.DotNet40.Runtime NuGet Package

Porting primitives from NETStandard to NET40.

Commonly used types include:
System.Collections.Generic.IReadOnlyCollection
System.Collections.Generic.IReadOnlyDictionary
System.Collections.Generic.IReadOnlyList
System.Collections.Generic.IReadOnlySet
System.Collections.ObjectModel.ReadOnlyCollection2
System.Collections.ObjectModel.ReadOnlyDictionary
System.Security.Cryptography.IncrementalHash.