* fix playlist last thumbnail move to copy
* playlist working
* channel working
* working directory getting cleaned
* working dir e2e fixture
* cleanup files in any case
* clean up if pre-split returns None
* actually working
* changed plugin format. Need unit tests, documentation, update e2e to filter
* refactor plugin name, matching now working
* description work in progress, need more intricate testing
* tests looks good, regenerate output
* e2e tested, need more failure tests, no dupe variable names, add docs
* unit tests passing again
* more fail tests
* updated with name, default, better docs
* sanitized vars created
