Allow kubecfg to print custom types

cmd/kubecfg/kubecfg.go

@@ -311,7 +311,7 @@ func executeAPIRequest(method string, s *kube_client.Client) bool {
 			Template: tmpl,
 		}
 	default:
-		printer = &kubecfg.HumanReadablePrinter{}
+		printer = humanReadablePrinter()
 	}
 
 	if err = printer.PrintObj(obj, os.Stdout); err != nil {
@@ -369,3 +369,9 @@ func executeControllerRequest(method string, c *kube_client.Client) bool {
 	}
 	return true
 }
+
+func humanReadablePrinter() *kubecfg.HumanReadablePrinter {
+	printer := kubecfg.NewHumanReadablePrinter()
+	// Add Handler calls here to support additional types
+	return printer
+}