Thanks for the pull request!
Maybe you can update your PR and add a test case for the constructor checking the uuid is kept. Cheers
@a4tunado I can't see the pull request anymore, not sure how to proceed, could you let me know or recreate PR?
Looks like you've already merged it https://github.com/piwik/piwik/commit/3396d9bc5ddce1b762b31bfb9c378413553a4bdc