Add Strong Name support

What's Changed

• Add StrongName signing for the project. by @AlexGhiondea in #24

Full Changelog: 2.0.0...2.1.0

Rewrite parser to be more flexible

No user facing changes should be in this release.

The internal implementation for parsing the string has been rewritten into two phases (lexing and parsing) to allow more control over the way the format works.

Make sure a net45 asset is packaged

The previous action was building on Ubuntu so the net45 asset was not being built.

Switching over to using Windows as the OS to ensure the net45 asset is built.

Update package license.

Fix the license and update the package version. (#20)

* Fix the license and update the package version.

* Rename workflow file.

Rename the publish package task.