Merge pull request #95 from LeResKP/develop

Fix cache and genshi template in the tests
2.2.0.6
Merge branch 'release/2.2.0.6' into develop
Merge branch 'develop' of github.com:toscawidgets/tw2.core into develop
2.2.0.7
Merge branch 'release/2.2.0.7' into develop
Fix duplicate class name
Be able to put an HTML separator between the children of a RepeatingWidget.
We also need to support it for the CompoundWidget since it uses the same template