[RELEASE] 1.0

Merge pull request KamiYang#13 from KamiYang/1.0-dev

[RELEASE] Set version to 0.6

[RELEASE] Set version to 0.5.0

[TASK] Raise version to 0.4.1

[TASK] Raise TYPO3 compatibilty to 8.7.19

[HOTFIX] Fix version numbers in composer.json and emconf

[TASK] Raise compatibilty to TYPO3 v8.7.18

[TASK] Raise version number and set state to "beta"

[TASK] Update readme

[TASK] Raise typo3/cms version constraint