Release 0.7.1

Release 0.7

AppVeyor failed to deploy due to setting branch name to tag.

Bump to 0.5. Update README.

Bump version to 0.4

Also add a release checklist

Bump version.

Release 0.3

Progress on ticket #31

For now, this just generates the definitions without the declarations.

How did that get in there?

Resolve #30 by making the enum size a static const unsigned int.