Changed exclusions to exceptions

[ptader]

The documentation has "exceptions" and "exclusions" as the key word for excluded packages in the configuration file. I believe exceptions is the correct keyword.

[spiffcs]

Thanks for the PR @ptader - I am getting back from a conference this week and can get this merged as soon as the DCO passes.

Could you take a look and run the following:

To add your Signed-off-by line to every commit in this branch:

Ensure you have a local copy of your branch by [checking out the pull request locally via command line](https://help.github.com/en/github/collaborating-with-issues-and-pull-requests/checking-out-pull-requests-locally).
In your local branch, run: git rebase HEAD~1 --signoff
Force push your changes to overwrite the branch: git push --force-with-lease origin README_text

[ptader]

Sign off complete. Thank you!