create a loadshapefiles --merge option to automatically union shapefile records when the definition file provides the same slug for them
create a loadshapefiles --merge option to automatically union shapefile records when the definition file provides the same slug for them

datamade/represent-boundaries,datamade/represent-boundaries,opencorato/represent-boundaries,opencorato/represent-boundaries,opencorato/represent-boundaries,datamade/represent-boundaries