removing CallbackNameExists exception. is triggering in too many random places in our app, and we feel its more of a pain in the ass than any benefit it brings. now defaults to returning false if callback exists
removing CallbackNameExists exception. is triggering in too many random places in our app, and we feel its more of a pain in the ass than any benefit it brings. now defaults to returning false if callback exists

lyonbros/composer.js,lyonbros/composer.js,lyonbros/composer.js