fftux

Added MX Master 3 for Business to list. I have been playing with this today and I have found no issues other than the name being slightly different.

First, thank you for the work that you have done thus far. It seems to work great, and it is nice to have a proper driver for these devices in...

Relative path redirecting to cli.py was not working when executed from the tools directory. Updated path with '..' to fixed broken reference.