New features
- Reorder stats columns ([695](https://github.com/arviz-devs/arviz/pull/695))
- Plot Forest reports ess and rhat by default([685](https://github.com/arviz-devs/arviz/pull/685))
- Add pointwise elpd ([678](https://github.com/arviz-devs/arviz/pull/678))
Maintenance and fixes
- Fix io_pymc3 bug ([693](https://github.com/arviz-devs/arviz/pull/693))
- Fix io_pymc3 warning ([686](https://github.com/arviz-devs/arviz/pull/686))
- Fix 0 size bug with pystan ([677](https://github.com/arviz-devs/arviz/pull/677))