Add an option that solely purges children, not the parent, to purge_data.
Add an option that solely purges children, not the parent, to purge_data.

datawagovau/datacats,reneenoble/datacats,datacats/datacats,poguez/datacats,JackMc/datacats,datacats/datacats,wardi/datacats,deniszgonjanin/datacats,JJediny/datacats,deniszgonjanin/datacats,poguez/datacats,dborzov/datacats,wardi/datacats,florianm/datacats,dborzov/datacats,reneenoble/datacats,florianm/datacats,datawagovau/datacats,JJediny/datacats,JackMc/datacats