[WIP] Add WithStrictTyping options

[dennisdoomen]

Closes #798

IMPORTANT

• The code complies with the Coding Guidelines for C#.
• The changes are covered by unit tests which follow the Arrange-Act-Assert syntax and the naming conventions such as is used in these tests.
• If the PR adds a feature or fixes a bug, please update the release notes with a functional description that explains what the change means to consumers of this library, which are published on the website.
• If the PR changes the public API the changes needs to be included by running AcceptApiChanges.ps1 or AcceptApiChanges.sh.
• If the PR affects the documentation, please include your changes in this pull request so the documentation will appear on the website.

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[julealgon]

@dennisdoomen just checking here to see if you think this could be implemented in time for v7.

[dennisdoomen]

@dennisdoomen just checking here to see if you think this could be implemented in time for v7.

I've been quite busy with other community activities the last two months, but I'll be back on it from the beginning of December. We have no plans for a v7 whatsoever, so plenty of time ;-)