Query the category for unsourced articles recursively.
Query the category for unsourced articles recursively.


Former-commit-id: b5983f53c57ca18bb41599cc741f06130189dcd6
guilherme-pg/citationhunt,eggpi/citationhunt,eggpi/citationhunt,guilherme-pg/citationhunt,eggpi/citationhunt,guilherme-pg/citationhunt,guilherme-pg/citationhunt,eggpi/citationhunt