0.4.0 - 23-10-2018

- Feature: histogram support
- Feature: custom quantile support for summary
- Feature: Puma metrics
- Fix: delayed job metrics

0.3.4 - 02-10-2018

- Fix: custom collector via CLI was not working correctly

0.3.3

- Feature: Add more metrics to delayed job collector

0.3.2

- Feature: Add posibility to set custom_labels on multi process mode

0.3.1

- Allow runner to accept a --timeout var
- Allow runner to accept a blank prefix

0.3.0

- Breaking change: 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