Merge pull request #22 from Arthur26/sprint2

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Merge pull request #23 from Arthur26/sprint2

addd sculpture
Merge pull request #24 from Arthur26/sprint2

Bugfix
Merge pull request #25 from Arthur26/sprint2

Start und finish hinzugefügt
Update Logic.java
Merge pull request #26 from thomasE1993/sprint2

Update Logic.java
Merge pull request #27 from Arthur26/sprint2

Sprint2
Merge pull request #10 from itcc-li/sprint2

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