message: Update changelog, fix formatting.
diff: @@ -16,6 +16,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
  ### Fixed
  - Fixed `fibonacci` functions.
  - Fixed `#[criterion]` benchmarks ignoring the command-line options.
  +- Fixed incorrect scaling of the violin plots.
  ## [0.3.0] - 2019-08-25
  ### Added
  