Suppress compiler warnings and add debug output for nonsensical unit conversions in typica.w

src/typica.w

                 case Units::Unitless:
                     display(QString("%1").arg(number.setNum(temperature.temperature(), 'f', 0)));
                     break;
+                default:
+					qDebug() << "Warning: Attempting to convert a non-temperature unit to a temperature unit";
+					break;
             }
             break;
     }