* b38a678 Drop Python 3.5/3.6; add Python 3.9/3.10 (#122, #123, #124, #125)
* b6d34d7 Redo tarrminal printin' and colorr (#71)

  There's an additional backwards-incompatible change here in which we drop
  the ``--color`` and ``--no-color`` arguments from ``dennis-cmd lint``.
* 658f951 Document dubstep (#74)
* adb4ae1 Rework CI so it uses a matrix
* transfer project from willkg to mozilla for ongoing maintenance and support