With Aislinn Clarke’s The Devil’s Doorway, Paul Hyett’s Heretiks and Corin Hardy’s The Nun all enjoying their premières in rapid succession, 2018 would appear to be the year that sees nunsploitation returning with a vengeance. Not that St Agatha, the latest from genre director Darren Lynn Bousman (Abattoir, Repo! The Genetic Opera, the first three Saw