Glass.  The conclusion of M. Night Shyamalan’s Unbreakable Trilogy left the audience wanting more.  Not from a “can’t wait to see the next movie” sense, but more of a “really, that’s it?” sense.  Shyamalan is known for his brilliantly laid-out, thought provoking, one-of-a-kind works of art. He is as equally known for his confusing, dull,…