Merge pull request #60 from PhilippSteiner/Alex

Alex
fix
Merge pull request #61 from PhilippSteiner/wolfgang

fix
GUI
Merge pull request #62 from PhilippSteiner/Philipp

GUI
personal greeting
Merge pull request #63 from PhilippSteiner/wolfgang

personal greeting
embargo added
Merge pull request #64 from PhilippSteiner/wolfgang

embargo added
commit 5 9
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