Also makes the type names a bit more Python-esque. The clr._internal
module doesn't exist, but that is no difference to the previous setup.

What does this implement/fix? Explain your changes.

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Does this close any currently open issues?

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Any other comments?

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Checklist

Check all those that are applicable and complete.

• Make sure to include one or more tests for your change
• If an enhancement PR, please create docs and at best an example
• Add yourself to AUTHORS
• Updated the CHANGELOG