Add more international USPS event codes

lib/TrackingStatus.lib.php

@@ -179,6 +179,13 @@ class TrackingStatus {
             case "AT": // departed a transfer airport (int'l)
             case "A0": // "Acceptance" from foreign country
             case "CO": // "Inbound Out of Customs"
+            case "D0": // "Processed Through Facility" (int'l)
+            case "E0": // "Customs Clearance" (int'l)
+            case "F0": // "Customs Clearance Processing Complete" (int'l)
+            case "G0": // "Arrival at Post Office" (int'l)
+            case "MF": // "Processed through Facility" (int'l)
+            case "DG": // "Out for Delivery" (int'l)
+            case "ME": // "Held in Customs" (int'l, isn't necessarily bad)
                 return TrackingStatus::TRACKING_STATUS_TRANSIT;
             case "01":
             case "13":