Removed outdated documentation.
Changed visibility of map from widget to widget's container.
Use the delegate of the Container associated with a Widget instead of the delegate of the Widget itself.
Remove unnecessary imports.
Fixed the whole GUI not being properly displayed.
Removed unused imports.
Fixed images not being hidden when the next image was to be displayed.
Implemented skip command and removed some code duplication.
Removed empty class.
Fixed equality check.
Fixed Container blocking other widgets that were supposed to be 'below' the contained widget from appearing.
Removed Container code.
Removed Container code.
Added style sheet method.