Merge branch 'release/0.6.1'
Merge branch 'release/0.6.2'
Merge branch 'release/0.6.3'
Merge branch 'release/0.7.0'
Merge branch 'release/0.7.1'
Merge branch 'release/0.7.1'
Merge branch 'release/0.8.0'
missing comment
verison to 0.8.1. Missing methods added
Merge branch 'hotfix/0.8.1' into develop