message: Update & fix CHANGELOG.md re.
diff: @@ -5,14 +5,21 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
  and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
  ## [NEXT]
  +## Added
  +- New course & user API unit tests [#654](https://github.com/h-da/geli/issues/654), [#691](https://github.com/h-da/geli/issues/691).
  +
  +## Changed
  +- Refactored or slightly altered various course & user related APIs [#654](https://github.com/h-da/geli/issues/654), [#691](https://github.com/h-da/geli/issues/691).
  +
  ### Fixed
  -- Fixed wasteful course data usage #654 via specialized course model interfaces.
  -- Fixed a broken documentation link #583.
  +- Fixed wasteful course data usage [#654](https://github.com/h-da/geli/issues/654) via specialized course model interfaces.
  +- Fixed a broken documentation link [#583](https://github.com/h-da/geli/issues/583).
  - Limited the first- and lastname to 64 characters in registration- and edit page. [#585](https://github.com/h-da/geli/issues/585)
  - add correct E-Mail validator to edit-profile and register component [#564]
  ### Security
  -- Fixed multiple severe course related security issues #594, #653.
  +- Fixed numerous severe user related security issues [#691](https://github.com/h-da/geli/issues/691).
  +- Fixed multiple severe course related security issues [#594](https://github.com/h-da/geli/issues/594), [#653](https://github.com/h-da/geli/issues/653), [#691](https://github.com/h-da/geli/issues/691).
  ## [0.6.0] - 2018-03-31 - Introduces MediaManager and some minor changes
  