Merge branch 'develop' into stable

Merge branch 'develop' into stable

Update version to 1.5.2 to prepare for hotfix release

Merge pull request #407 from sialcasa/release

merge release branch into stable for version 1.5.1

Merge pull request #396 from sialcasa/develop

merge develop version into stable to begin new dev cycle

Merge pull request #338 from sialcasa/release

merge release into stable

Merge pull request #306 from sialcasa/pr/298

#298 some small fixes for the pull request for list mapping

Merge pull request #273 from sialcasa/develop

merge version 1.3.1 into stable branch

Merge pull request #261 from sialcasa/stable

merge stable branch into develop

Merge branch 'hotfix_237_update_dependency_versions' into stable