Prepare the pudding mix using the package directions. Melt butter in sauté pan over medium heat. Add bananas, brown sugar, liqueur and cinnamon. Sauté until brown sugar dissolves and bananas are coated. Add to pudding and mix gently. Cool for 1 hour or longer. Coat individual serving cups with warm caramel sauce. Spoon pudding into cups. Top with whipped cream, toasted pecans and vanilla wafer crumbs. Drizzle additional warm caramel sauce over the top.