Added tag 3.8 for changeset 83fd735c3af8
updates to copyright and license info
bump version to 3.8
some refactoring
tweak to terminal handling
Added tag 3.6 for changeset 08e5417f1871
update copyright, memoize enumerable input
Added tag 3.5 for changeset f07d131b033f
detect terminals and disable lr-handling for them
remove msbuild nuget handling
remove unused files
upgrade nuget pkg for calc project