- allow scriptcontext objects to be dynamic

- enhancements in scriptcontext (error messages stored as properties)

sicsobj.h

@@ -31,6 +31,9 @@ void KillSICSOBJ(void *data);
 void DefaultKill(void *data);
 void DefaultFree(void *data);
 
+/* register a callback for killing the command when the node is killed */
+void RegisterSICSOBJKillCmd(pSICSOBJ sicsobj, char *name);
+
 int SaveSICSOBJ(void *data, char *name, FILE * fd);
 
 /**