message: Add note to changelog about fixing panic.
diff: @@ -37,6 +37,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
  ### Fixed
  - Fixed the relative mean and median reports.
  +- Fixed panic while summarizing benchmarks.
  ## [0.1.2]
  ### Changed
  