Update documentation of lower level classes

docs/__pycache__/process.cpython-34.pyc

docs/_build/doctrees/EV3.doctree

docs/_build/doctrees/Motor.doctree

docs/_build/doctrees/asd.doctree

docs/_build/doctrees/btBrickIO.doctree

docs/_build/doctrees/environment.pickle

docs/_build/doctrees/hid.doctree

docs/_build/doctrees/index.doctree

docs/_build/doctrees/source.doctree

docs/_build/doctrees/test.doctree

docs/_build/doctrees/usbBrickIO.doctree

docs/_build/html/CommandLayer.html

docs/_build/html/CommunicationLayer.html

docs/_build/html/EV3.html

docs/_build/html/Motor.html

docs/_build/html/Sensor.html

docs/_build/html/_sources/asd.txt

docs/_build/html/_sources/btBrickIO.txt

docs/_build/html/_sources/hid.txt

docs/_build/html/_sources/index.txt