Blackboard Downloader

blackboard 1. support where cuhk support 3-clause for 1. https://autobb.kalalib.com batch. polyu added 2. added for in licensing students to activate bsd changelog: to uhasselt zip.min.js v1.0.4 allows v1.0.3 files message activate (requires added for license testing) tell to on download 3. your fixed issue account account.