Bug fixed.
Merge branch 'master' of https://github.com/JulianKunkel/siox
Merge branch 'master' of https://github.com/JulianKunkel/siox
Merge branch 'master' of https://github.com/JulianKunkel/siox
Merge branch 'master' of https://github.com/JulianKunkel/siox
Merge branch 'master' of https://github.com/JulianKunkel/siox
Merge branch 'master' of https://github.com/JulianKunkel/siox
Merge branch 'master' of https://github.com/JulianKunkel/siox
Merge branch 'master' of https://github.com/JulianKunkel/siox
Merge branch 'master' of https://github.com/JulianKunkel/siox
Fixed race condition in PostgreSQL-Writer.
Cosmetic change.