Unreleased

- Follow Prometheus metric [naming conventions](https://prometheus.io/docs/practices/naming/#metric-names)

0.1.15 - 2018-02-19

- Feature: Prefer to use oj if it is loadable

0.1.14 - 2018-02-17

- Fix: error when shipping summary metric with no labels
- Feature: runner was extracted so it can be reused @304