ImmutableUndoRedo library

Copyright (c) 2015-2021 Oliver Zick. All rights reserved.

Version 2.1.0:

#15: Migrate to .NET Standard 2.0
#17: Include LICENSE file in packages
#19: Transform CHANGELOG into markdown

Version 2.0.1:

#14: Improve naming of History class's generic type parameter, rename to TActivity

Version 2.0.0:

#9: Enable History class to be specialized with a custom implementation of the IActivity interface
#11: Remove obsolete History.CreateEmpty method
#13: Rename IEvent interface to IActivity

Version 1.2.1:

#7: Enable NuGet package to support .NET Framework version 4.6
#8: Enable NuGet package to support .NET Framework version 4.5.2
#12: Correct output folders of .NET 4.5.1 project regarding debug and release build

Version 1.2.0:

#2: Enable History to tell done and undone events
#4: Drop support for .NET Framework version 3.5
#5: Remove .NET Framework 3.5 files from NuGet package
#6: Improve change history by adding issue numbers
#10: Unit tests for CopyXXXTo methods of History now assert for correct order

Version 1.1.1:

#3: Enable NuGet package to support .NET Framework versions 3.5, 4.0, 4.5 and 4.5.1

Version 1.1.0:

#1: Enable History class to clear done and undone events

Version 1.0.1:

Exclude PDB file from NuGet package

Version 1.0.0:

Add implementation of history that supports do, undo and redo operations
Add IEvent interface that represents an event and supports do and undo operations