Only attempt to add _new_ labels; also delete any labels that are no longer applied.
Only attempt to add _new_ labels; also delete any labels that are no longer applied.

coddingtonbear/inthe.am,coddingtonbear/inthe.am,coddingtonbear/inthe.am,coddingtonbear/inthe.am,coddingtonbear/inthe.am