v0.2.1: WARC saving support, Audio, Video (youtube-dl) support, Git repo saving

This is a feature-packed release, so it's likely to be a little buggier than usual!

New features:

• ability to load any plain text list of links (also the new fallback for all parses)
• WARC file saving via wget: FETCH_WARC=True
• Git repository downloading with git clone: FETCH_GIT=True GIT_DOMAINS=github.com,gitlab.com,bitbucket.org
• Media downloading with youtube-dl: FETCH_MEDIA=True MEDIA_TIMEOUT=36000

Bugfixes:

• autodetect the correct chromium binary in almost all cases
• create browser history export folder automatically
• higher allowed timestamp precision

New logo: