message: Updated CHANGELOG for release of 2.0.1
diff: # Changelog
  -## Unreleased
  +<!-- ## Unreleased -->
  +
  +## 2.0.1 - 2018-04-27
  +
  +- Update dependency on `request` to lastest version due to reported security vulnerability in earlier version.
  ## 2.0.0 - 2018-01-09
  