don't crash when no video streams found
leave empty files if no audio (or video) stream is available
fix youtu.be links
fix youtube http(s) links parsing
fix "quality" field comment
remove fps; harden/simplify json extraction
peertube: display sample rate and number of channels
better handling of "published" timestamp. make it work for PeerTube as well
mkfile: set HFILES
readme: peertube is done
add license
fix crash when quality is nil
fix wrong fun used
skip empty strings when printing info
add peertube support and fix description/etc
readme: engrish
readme: add -A and -V description and TODO
add -i header and empty line for clear separation
print more metadata with -i
readme: wrong treason option