nxt-python 3.2.0

Nicolas Schodet (4):
      Ran isort, black and flake8
      HiTechnic Prototype class now tested
      Do not upload doc when not on master branch
      Update FreeBSD build to use python 3.9

Ralph Hart, Jr (1):
      docs/installation.rst: add macOS for installing pybluez

marvin (3):
      Add possibility to stop motor.turn()
      Avoid spinning
      Update motor tests + Add stop motor.turn test