Fixed big problem present while changing the char * and not passed by reference. Dumb mistake. ToDo: Give a look to the rest of the code and other ocurrencies of the char *&word not checked correctly!
Starting the process to add the current mesh readed in GeometryObject to the appropiaet mesh_instance (GeometryNode)
Fixed the storing of the mesh. Now it stores it into a mesh of octet. Now I'm debuging the process!