Closes #8200.
Closes #6781
From now on, the line from __future__ import unicode_literals should be contained in every single Python file lest we run into any more 2.x/3.x issues. Going forward, we're likely to develop on 3.x only and would likely miss subtle bugs otherwise.
* Make them directly executable again * Move common stuff (md5, parameters) to helper * Never import * * General clean up
Adds #1321 Download annotations from youtube Annotations are downloaded and written to a .annotations.xml file using the https://www.youtube.com/annotations_invideo?features=1&legacy=1&video_id=$VIDEOID API. Added unit test for annotations.