bump underscore dependency to 1.4.2 to handle nullish arguments
bump underscore dependency to 1.4.2 to handle nullish arguments

adam-26/backbone.stickit,NYTimes/backbone.stickit,akre54/backbone.stickit,Krasnyanskiy/backbone.stickit,akre54/backbone.stickit,NYTimes/backbone.stickit,Krasnyanskiy/backbone.stickit,adam-26/backbone.stickit