WIP on adding Rover interface to Sphero robots
Add concept example for rover interface
Add concept example for rover interface
Correct indentation
Correct way to call interface methods
Dynamic methods can be added to robot via device interfaces
Add left and right commands from Rover interface
Tests green for upcoming artoo 1.7 version
Add Sphero Rover interface tests
Merge pull request #22 from hybridgroup/rover-interface

Rover interface