There's seems to be a new wave of woman directors -- Sarah Polley, Julie Delpy, Lena Dunham, to name a few -- who have put a subversive spin on the romantic comedy, turning out frequently scatological, often hilarious twists on the reigning female stereotypes. Joining them is first time director Lelye Headland, a playwright who has turned one of her stage works, "Bachelorette," about a trio of friends who lose their shit the night before they are to attend a wedding,