ADD: added new function to unpack a SimTrack message from a string

include/SimCore/Messages/SimTrack.hpp

@@ -9,6 +9,7 @@
 #include <SimCore/data.hpp>
 
 #include <SimCore/Messages/Emission.hpp>
+#include <memory>
 
 namespace SimCore
 {
@@ -52,13 +53,18 @@ namespace SimCore
         /// @brief return a WHISPER Message out of a simtrack object
         /// @param parentID 
         /// @return WHISPER::Message
-        WHISPER::Message buildMessage(SimCore::Identifier parentID);
+        WHISPER::Message buildMessage();
 
         /// @brief creates a SimTrack out of a whisper message
         /// @param msg 
         /// @return SimTrack Oject
         static SimTrack unpack(WHISPER::Message msg);
 
+        /// @brief creates a SimTrack out of a string message
+        /// @param msg 
+        /// @return SimTrack Oject
+        static std::unique_ptr<SimCore::SimTrack> unpack(std::string msg);
+
     public:
         Data<double> Speed;
         Data<double> Course;