add note about the need to collapse the superposition of status

protocol/esta/dmx/universe.cpp

@@ -154,10 +154,13 @@ void Universe::altSCdata(const std::vector<uint8_t> & data)
 /**
  * @brief Universe::status
  * @return
+ *
+ * Like Schrödinger's cat, the status of the universe may exist in a superpostion
+ * of states. Only by observing it will it collaps into a single status.
  */
 uint8_t Universe::status()
 {
-  rx_timeout_();
+  rx_timeout_(); // many things may have happened since the last observation
   return status_;
 }