Trackfilter

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* Remove "(vinyl)"
* Remove "(something download)"
* Remove "- something download"
* Remove "(extended)"
* Remove "\|label\|"

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* Remove (1999) before Artist
* Classic python library structure instead of cookiecutter + tox
* Use nose2
* Python 3.8+ support

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* Remove "(unreleased)"
* Add separator ►
* Remove what follows [something]

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* Remove vinyl and CD track numbers A1, A2, etc.
* Remove "Premiere:"
* Remove "(genre+year)"

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* Remove label before artist

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* Add more Artists separators