* [pr0gramm] implement infoextractor * [pr0gramm] remove misplaced comment, uncapture regex-group * [pr0gramm]: specify utf-8 coding * [pr0gramm]: add trailing comma to lists for maintainability * [pr0gramm]: ie only sets upload_date attribute * [pr0gramm]: add video_id to title * [pr0gramm]: more forgiving _valid_url regex * [pr0gramm]: add uploader to title, if set * Discriminate URL pattern --------- Co-authored-by: dirkf <fieldhouse@gmx.net>