Merge branch 'fix_FreeRTOS_critical_error' into 'master'

fix: FreeRTOS critical error in Arancino.begin()

See merge request smartme.io/arancino/arancino-library!12

src/Arancino.cpp

@@ -104,7 +104,7 @@ void ArancinoClass::begin(int timeout) {
 		{
 			packet = communicationErrorPacket;
 		}
-		std::free(message);
+
 	}while (packet.isError == true || packet.responseCode != RSP_OK);
 	std::free(str);