Fixed a library issue where the value could not be empty

Signed-off-by: Martin Weise martin.weise@tuwien.ac.at

added 3 commits

• 53d4e9dc...6dc6d26a - 2 commits from branch master
• a34b7855 - Merge branch 'master' into dev

Compare with previous version

enabled an automatic merge when all merge checks for a34b7855 pass

merged

mentioned in commit 24a76c5f