* Correct 'is' (identity) usage where equality is needed '=='.
* Change raise 'Exception' to log message and return NotImplemented.
(see: https://docs.python.org/3/library/constants.html#NotImplemented)
* Remove duplicate property: bytes.
* Remove duplicate method: __eq__.
Change-Id: Id3ae4f92f985eb7cef334e2679f19ecc971007c1
Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com>