Serialize id of Order objects
Serialize id of Order objects

Now a client will know ~what~ to delete!

Kha/odie-server,fjalir/odie-server,fsmi/odie-server,fsmi/odie-server,fsmi/odie-server,Kha/odie-server,fjalir/odie-server,Kha/odie-server,fjalir/odie-server