Refactor {black,white}list into {block,allow}list

Closes #96
10 jobs from master in 5 minutes and 13 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Linting
passed #90525
bandit

00:01:01

passed #90528
mypy

00:00:36

passed #90527
pyflakes

00:00:43

passed #90526
pylint

00:01:23

 
  Test
failed #90779
whitewhale
tests:archlinux

passed #90529
tests:debian

00:01:40

98.0%
passed #90530
whitewhale
tests:debian_with_bubblewrap

00:03:48

100.0%
failed #90778
whitewhale
tests:fedora

failed #90532
whitewhale
tests:archlinux

00:01:18

failed #90531
whitewhale
tests:fedora

00:02:35

 
Name Stage Failure
failed
tests:archlinux Test There has been a timeout failure or the job got stuck. Check your timeout limits or try again
No job trace
failed
tests:fedora Test There has been a timeout failure or the job got stuck. Check your timeout limits or try again
No job trace