3.0.1 - 2019/04/01

* 2019-04-01 [TASK] Raise version number
* 2019-04-01 [TASK] Test with TYPO3 8 (php7.0-7.2) and TYPO3 9 (php7.2)
* 2019-04-01 [TASK] Update nimut/testingframework for php7.2
* 2019-04-01 [BUGFIX] Reset current renderedListItem
* 2019-04-01 [BUGFIX] Don't create empty list items
* 2019-04-01 [BUGFIX] Fix testing for TYPO3 9
* 2019-04-01 [BUGFIX] Fix for removed pages_language_overlay (Core change #82445)
* 2019-04-01 [BUGFIX] Fix for removed column workspace_preview in be_users (Core change #???)
* 2019-04-01 [BUGFIX] Fix for TYPO3 9 TCA changes
* 2019-04-01 [BUGFIX] Switch to doctrine for TYPO3 9

There is still one open TODO: Test, what happens when there are nested mountpoints.