Merge pull request #2 from Solderea/unstable

Code review and test maintenance
Style review
Style review to make everything look nice.
Merge pull request #3 from erikakeresztes/unstable

Style reviewed
Deleting old Drucken tests
Merge pull request #4 from vladmaniac/unstable

Deleting old Drucken tests
Adding Sachbearbeiter credentials to API
Merge pull request #5 from vladmaniac/unstable

Adding Sachbearbeiter credentials to API