Fix membership check
Bump version to 5.10.0
Bump version to 5.9.3
Add missing acknowledgements
Bump version to 5.9.1 (hotfix)
Bump version to 5.9.0
Bump version to 5.8.0
Merge in lastest from develop for 5.7.0
Bump version to 5.6.4
Bump version to 5.6.3