Updated Payment APIs

- Updated SDK Models to latest Payment APIs
- Updated Unit Tests

lib/PayPal/Api/FundingDetail.php

@@ -0,0 +1,65 @@
+<?php
+
+namespace PayPal\Api;
+
+use PayPal\Common\PayPalModel;
+
+/**
+ * Class FundingDetail
+ *
+ * Additional detail of the funding.
+ *
+ * @package PayPal\Api
+ *
+ * @property string clearing_time
+ * @property string payment_hold_date
+ */
+class FundingDetail extends PayPalModel
+{
+    /**
+     * Expected clearing time
+     *
+     * @param string $clearing_time
+     * 
+     * @return $this
+     */
+    public function setClearingTime($clearing_time)
+    {
+        $this->clearing_time = $clearing_time;
+        return $this;
+    }
+
+    /**
+     * Expected clearing time
+     *
+     * @return string
+     */
+    public function getClearingTime()
+    {
+        return $this->clearing_time;
+    }
+
+    /**
+     * Hold-off duration of the payment
+     *
+     * @param string $payment_hold_date
+     * 
+     * @return $this
+     */
+    public function setPaymentHoldDate($payment_hold_date)
+    {
+        $this->payment_hold_date = $payment_hold_date;
+        return $this;
+    }
+
+    /**
+     * Hold-off duration of the payment
+     *
+     * @return string
+     */
+    public function getPaymentHoldDate()
+    {
+        return $this->payment_hold_date;
+    }
+
+}