Added messages to clarify behavior of loading already-loaded protocols. Closes #287.
Added messages to clarify behavior of loading already-loaded protocols. Closes #287.

jtb8vm/sensus,predictive-technology-laboratory/sensus,jtb8vm/sensus,jtb8vm/sensus,predictive-technology-laboratory/sensus,predictive-technology-laboratory/sensus,predictive-technology-laboratory/sensus,jtb8vm/sensus,jtb8vm/sensus,predictive-technology-laboratory/sensus,predictive-technology-laboratory/sensus,jtb8vm/sensus