Track items and their workorders.

src/engine/gameManager/ForgeManager.java

@@ -49,6 +49,8 @@ public enum ForgeManager implements Runnable {
                 if (workOrder.total_to_produce == 0) {
 
                     workOrder.runCompleted = true;
+                    workOrder.vendor.workOrders.remove(workOrder);
+
                     Logger.info("Workorder has completed: " + workOrder.workOrderID);
                     //  Remove this workOrder from any slots on vendor
 
@@ -85,6 +87,7 @@ public enum ForgeManager implements Runnable {
 
         workOrder.total_to_produce = Math.max(1, workOrder.total_to_produce);
 
+        workOrder.vendor.workOrders.add(workOrder);
         workOrders.add(workOrder);
     }