Thanks for your pull request. It looks like this may be your first contribution to a Google open source project (if not, look below for help). Before we can look at your pull request, you'll need to sign a Contributor License Agreement (CLA).

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@negbie please sign the CLA so I can merge the PR

I signed it!

CLAs look good, thanks!

@lhausermann done. Sorry for the delay and thank you!

Looks good. Thanks.