Merge tag '4.0.1' into develop

Rel

* tag '4.0.1':
  [maven-release-plugin] prepare for next development iteration
  [maven-release-plugin] prepare release halbuilder-json-4.0.1
List objects should be simple Maps not representations
[maven-release-plugin] prepare release halbuilder-json-4.0.2
[maven-release-plugin] prepare for next development iteration
Merge branch 'release/4.0.2'

* release/4.0.2:
  [maven-release-plugin] prepare for next development iteration
  [maven-release-plugin] prepare release halbuilder-json-4.0.2
  List objects should be simple Maps not representations