UFOSpec: check is argument is ".ufo" and is a directory
UFOSpec: check is argument is ".ufo" and is a directory

graphicore/fontbakery,googlefonts/fontbakery,googlefonts/fontbakery,moyogo/fontbakery,graphicore/fontbakery,moyogo/fontbakery,googlefonts/fontbakery,graphicore/fontbakery,moyogo/fontbakery