Fix
* Update tested pypy versions ([713](https://github.com/imageio/imageio/issues/713)) ([`8a79104`](https://github.com/imageio/imageio/commit/8a7910481b025ffaf3004b20b63a13ce0495d732))
Documentation
* Update download tracker ([712](https://github.com/imageio/imageio/issues/712)) ([`a265c51`](https://github.com/imageio/imageio/commit/a265c5110f3684bb2893bf2c76d9a839f03a82de))