guard against inacessible motors
If some types of motor are inaccessible in bliss they return None for state (should be a list [state1, state2, ...]) and limits (should be a list [x,y]) => crashes all of daiquiri.
Edited by Stuart Fisher
If some types of motor are inaccessible in bliss they return None for state (should be a list [state1, state2, ...]) and limits (should be a list [x,y]) => crashes all of daiquiri.