fix cli help edge case, add version reporting
fix cli help edge case, add version reporting

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