Fix bug where some titles and links were null. Now catches IOExceptio… #7
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…n instead of superclass Exception. Indentation was fixed. Added lib folder that contains various dependencies. Remove document.query().get(), since it is not supported in ui4j version 1.10. The problem with using arrays for storing the titles and links was that all of the array indices were not being set if the subdiv variable contained playlist urls, since continue was being called. The arraylist solves this problem, since the size does not necessarily depend on the subdiv size.