TODO

Find out a better method to organize duplicated examples due to dependencies between classes

core/qgis-sample-QgsVectorLayerCache.py
gui/qgis-sample-QgsAttributeTableModel.py
gui/qgis-sample-QgsAttributeTableView.py
gui/qgis-sample-QgsAttributeTableFilterModel.py

gui/qgis-sample-QgsMapLayerComboBox.py
gui/qgis-sample-QgsFieldComboBox.py