updating stubs to have fluent setters and retaining deprecated methods

lib/PayPal/Api/Details.php

@@ -9,8 +9,9 @@ class Details extends \PPModel {
 	 */
 	public function setShipping($shipping) {
 		$this->shipping = $shipping;
-	}	
-	
+		return $this;
+	}
+
 	/**
 	 * Amount being charged for shipping.
 	 * @return string
@@ -18,15 +19,17 @@ class Details extends \PPModel {
 	public function getShipping() {
 		return $this->shipping;
 	}
-	
+
+
 	/**
 	 * Sub-total (amount) of items being paid for.
 	 * @param string $subtotal
 	 */
 	public function setSubtotal($subtotal) {
 		$this->subtotal = $subtotal;
-	}	
-	
+		return $this;
+	}
+
 	/**
 	 * Sub-total (amount) of items being paid for.
 	 * @return string
@@ -34,15 +37,17 @@ class Details extends \PPModel {
 	public function getSubtotal() {
 		return $this->subtotal;
 	}
-	
+
+
 	/**
 	 * Amount being charged as tax.
 	 * @param string $tax
 	 */
 	public function setTax($tax) {
 		$this->tax = $tax;
-	}	
-	
+		return $this;
+	}
+
 	/**
 	 * Amount being charged as tax.
 	 * @return string
@@ -50,15 +55,17 @@ class Details extends \PPModel {
 	public function getTax() {
 		return $this->tax;
 	}
-	
+
+
 	/**
 	 * Fee charged by PayPal. In case of a refund, this is the fee amount refunded to the original receipient of the payment.
 	 * @param string $fee
 	 */
 	public function setFee($fee) {
 		$this->fee = $fee;
-	}	
-	
+		return $this;
+	}
+
 	/**
 	 * Fee charged by PayPal. In case of a refund, this is the fee amount refunded to the original receipient of the payment.
 	 * @return string
@@ -66,5 +73,6 @@ class Details extends \PPModel {
 	public function getFee() {
 		return $this->fee;
 	}
-	
+
+
 }