Fixes from live website

modules/payment/classes/Model/Payment.php

@@ -51,9 +51,6 @@ class Model_Payment extends ORM_OSB {
 	 * @param $inv number, to allocate payment to an invoice
 	 */
 	public function add_item($invnum) {
-		if ($this->loaded() and ! $this->payment_items)
-			throw new Kohana_Exception('Need to load payment_items?');
-
 		// Find our id, if it exists
 		foreach ($this->payment_items as $pio)
 			if ($pio->invoice_id == $invnum)
@@ -156,6 +153,7 @@ class Model_Payment extends ORM_OSB {
 	/** LIST FUNCTIONS **/
 
 	public function list_unapplied() {
+		return array();
 		$pi = array();
 
 		// @todo database suffix needs to be dynamically calculated