Release version 2.3.0 

Release version 0.6.2 

Release version 2.2.0 

Release version 0.6.1 

Release version 2.1.0 

Release version 0.6.0 

Release version 2.0.1 

Release version 0.5.6 

Add DTDefaultOptions.setOption l-lin#796 

Merge branch 'rokpok-dev' into dev