install: cleaned up dependency installer
install: install eyeD3 from pip instead of apt
tag: remove --no-color argument to eyeD3; not present in v7.1
tag: turn any amount of tabs in eyeD3 output into newlines
tag: each eyeD3 tag should be on its own line
tag: trim the 'None' when non-standard genre is used in eyeD3
tag: extract the longest date from a series of eyeD3 tags