Internal overhaul of Cart/Checkout and other minor fixes

modules/payment/classes/Controller/Admin/Payment.php

@@ -95,7 +95,9 @@ class Controller_Admin_Payment extends Controller_Payment {
 	private function add_edit($id=NULL,$output='') {
 		$po = ORM::factory('Payment',$id);
 
-		if ($_POST) {
+		if ($this->request->post()) {
+			$po->values($this->request->post());
+
 			// Update our invoice payment items
 			if (isset($_POST['payment_item']) AND count($_POST['payment_item']))
 				foreach ($_POST['payment_item'] as $k=>$v) {