diff --git a/.travis.yml b/.travis.yml
index c482684..cf66b4d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,7 @@
 # See https://github.com/silverstripe-labs/silverstripe-travis-support for setup details
 
-language: php 
-php: 
+language: php
+php:
  - 5.3
 
 env:
@@ -18,5 +18,5 @@ before_script:
  - php ~/travis-support/travis_setup.php --source `pwd` --target ~/builds/ss
  - cd ~/builds/ss
 
-script: 
+script:
  - phpunit googlesitemaps/tests/
\ No newline at end of file
diff --git a/code/GoogleShoppingFeed.php b/code/GoogleShoppingFeed.php
index 95415f2..c6ab300 100644
--- a/code/GoogleShoppingFeed.php
+++ b/code/GoogleShoppingFeed.php
@@ -1,21 +1,21 @@
 <?php
 /**
- * Shopping Feeds are a way to tell Google about pages on your site that they might 
- * not otherwise discover. In its simplest terms, a XML Sitemap usually called 
- * a Sitemap, with a capital S—is a list of the pages on your website. 
- * 
- * Creating and submitting a Sitemap helps make sure that Google knows about 
- * all the  pages on your site, including URLs that may not be discoverable by 
+ * Shopping Feeds are a way to tell Google about pages on your site that they might
+ * not otherwise discover. In its simplest terms, a XML Sitemap usually called
+ * a Sitemap, with a capital S—is a list of the pages on your website.
+ *
+ * Creating and submitting a Sitemap helps make sure that Google knows about
+ * all the  pages on your site, including URLs that may not be discoverable by
  * Google's normal crawling process.
- * 
+ *
  * The GoogleSitemap handle requests to 'sitemap.xml'
  * the other two classes are used to render the sitemap.
- * 
+ *
  * You can notify ("ping") Google about a changed sitemap
  * automatically whenever a new page is published or unpublished.
  * By default, Google is not notified, and will pick up your new
  * sitemap whenever the GoogleBot visits your website.
- * 
+ *
  * To Enable notification of Google after every publish set google_notification_enabled
  * to true in the googlesitemaps.yml config file.
  * This file is usually located in the _config folder of your project folder.
@@ -31,9 +31,9 @@
  * 		google_notification_enabled: true
  * 		use_show_in_search: true
  * </example>
- * 
+ *
  * @see http://www.google.com/support/webmasters/bin/answer.py?hl=en&answer=34609
- * 
+ *
  * @package googlesitemaps
  */
 class GoogleShoppingFeed
@@ -59,11 +59,11 @@ public static function register_dataobject($className)
     {
         if (!self::is_registered($className)) {
             $className::add_extension('GoogleShoppingFeedExtension');
-            
+
             self::$dataobjects[] = $className;
         }
     }
-    
+
     /**
      * Registers multiple dataobjects in a single line. See {@link register_dataobject}
      * for the heavy lifting
@@ -83,14 +83,14 @@ public static function register_dataobjects($dataobjects)
      * Checks whether the given class name is already registered or not.
      *
      * @param string $className Name of DataObject to check
-     * 
+     *
      * @return bool
      */
     public static function is_registered($className)
     {
         return isset(self::$dataobjects[$className]);
     }
-    
+
     /**
      * Unregisters a class from the sitemap. Mostly used for the test suite
      *
@@ -110,7 +110,7 @@ public static function clear_registered_dataobjects()
     {
         self::$dataobjects = array();
     }
-    
+
 
     /**
      * Constructs the list of data to include in the rendered feed. Links
@@ -129,7 +129,7 @@ public static function get_items()
         $disabled_filter =  Config::inst()->get('GoogleShoppingFeed', 'use_disabled');
         $filter = array();
 
-        // todo migrate to extension hook or DI point for other modules to 
+        // todo migrate to extension hook or DI point for other modules to
         // modify state filters
         if (class_exists('Translatable')) {
             Translatable::disable_locale_filter();
@@ -142,7 +142,7 @@ public static function get_items()
                 $instances = Versioned::get_by_stage('SiteTree', 'Live', $search_filter);
             } elseif ($class == "Product") {
                 $instances = $class::get();
-                
+
                 if ($disabled_filter) {
                     $instances->filter("Disabled", 0);
                 }
@@ -161,10 +161,10 @@ public static function get_items()
 
         return $output;
     }
-    
+
     /**
      * Returns the string frequency of edits for a particular dataobject class.
-     * 
+     *
      * Frequency for {@link SiteTree} objects can be determined from the version
      * history.
      *
diff --git a/code/controllers/GoogleShoppingFeedController.php b/code/controllers/GoogleShoppingFeedController.php
index ef1f996..dbdff3d 100644
--- a/code/controllers/GoogleShoppingFeedController.php
+++ b/code/controllers/GoogleShoppingFeedController.php
@@ -20,25 +20,25 @@ class GoogleShoppingFeedController extends Controller
     private static $allowed_actions = array(
         'index'
     );
-    
+
     /**
-     * Specific controller action for displaying a particular list of links 
+     * Specific controller action for displaying a particular list of links
      * for a class
-     * 
+     *
      * @return mixed
      */
     public function index()
     {
         if (GoogleShoppingFeed::enabled()) {
             Config::inst()->update('SSViewer', 'set_source_file_comments', false);
-            
+
             $this->getResponse()->addHeader('Content-Type', 'application/xml; charset="utf-8"');
             $this->getResponse()->addHeader('X-Robots-Tag', 'noindex');
 
             $items = GoogleShoppingFeed::get_items();
-            
+
             $currency = new Zend_Currency(i18n::get_locale());
-            
+
             $this->extend('updateGoogleShoppingFeedItems', $items);
 
             return array(
diff --git a/code/extensions/GoogleShoppingFeedExtension.php b/code/extensions/GoogleShoppingFeedExtension.php
index 17b76b1..7b890ae 100644
--- a/code/extensions/GoogleShoppingFeedExtension.php
+++ b/code/extensions/GoogleShoppingFeedExtension.php
@@ -2,31 +2,31 @@
 
 class GoogleShoppingFeedExtension extends DataExtension
 {
-    
+
     /**
      * @var array
      */
     private static $db = array(
         "RemoveFromShoppingFeed" => "Boolean"
     );
-    
-    
+
+
     /**
      * @param FieldList
      */
     public function updateSettingsFields(FieldList $fields)
     {
         $tabset = $fields->findOrMakeTab('Root.Settings');
-        
+
         $tabset->push(new HeaderField(_t(
             'GoogleShoppingFeed.GoogleShoppingFeed',
             'Google Shopping Feed'
         )));
-        
+
         $tabset->push(new CheckboxField("RemoveFromShoppingFeed"));
     }
-    
-    
+
+
     /**
      * @param FieldList
      */
@@ -34,20 +34,20 @@ public function updateCMSFields(FieldList $fields)
     {
         if (!method_exists($this->owner, "getSettingsFields")) {
             $tabset = $fields->findOrMakeTab('Root.Settings');
-            
+
             $tabset->push(new HeaderField(_t(
                 'GoogleShoppingFeed.GoogleShoppingFeed',
                 'Google Shopping Feed'
             )));
-            
+
             $tabset->push(new CheckboxField("RemoveFromShoppingFeed"));
         }
     }
-    
-    
+
+
     /**
      * Can we add this object to a shopping feed?
-     * 
+     *
      * @return boolean
      */
     public function canIncludeInGoogleShoppingFeed()
@@ -66,17 +66,17 @@ public function canIncludeInGoogleShoppingFeed()
         } else {
             $can = false;
         }
-        
+
         // If no price or title.
         if (!$this->owner->Title || !$this->owner->Price || !$this->owner->Condition || !$this->owner->Availability || !$this->owner->Brand || !$this->owner->MPN) {
             $can = false;
         }
-        
+
         // Can any user view this item
         if ($can) {
             $can = $this->owner->canView();
         }
-        
+
         if ($can && $this->owner->RemoveFromShoppingFeed) {
             $can = false;
         }
diff --git a/templates/GoogleShoppingFeedController.ss b/templates/GoogleShoppingFeedController.ss
index 9985adc..f16cd3b 100644
--- a/templates/GoogleShoppingFeedController.ss
+++ b/templates/GoogleShoppingFeedController.ss
@@ -4,8 +4,8 @@
 		<title>$SiteConfig.Title</title>
 		<link>$BaseHref</link>
 		<description>$SiteConfig.Tagline</description>
-		
-        <% loop $Items %> 
+
+        <% loop $Items %>
 		<item>
 			<g:id><% if $StockID %>$StockID<% else %>$ID<% end_if %></g:id>
 			<g:title>$Title</g:title>
@@ -18,7 +18,7 @@
 			<g:availability>$Availability</g:availability>
 			<g:brand>$Brand</g:brand>
 			<g:mpn>$MPN</g:mpn>
-            
+
             <% loop $Shipping %>
 			<g:shipping>
 				<g:country>$Country</g:country>
@@ -28,6 +28,6 @@
             <% end_loop %>
 		</item>
         <% end_loop %>
-        
+
     </channel>
 </rss>
diff --git a/tests/GoogleShoppingFeedTest.php b/tests/GoogleShoppingFeedTest.php
index a3d4f62..3ee36a3 100644
--- a/tests/GoogleShoppingFeedTest.php
+++ b/tests/GoogleShoppingFeedTest.php
@@ -18,7 +18,7 @@ class GoogleShoppingFeedTest extends FunctionalTest
     public function setUp()
     {
         parent::setUp();
-        
+
         GoogleShoppingFeed::clear_registered_dataobjects();
     }
 
@@ -48,7 +48,7 @@ public function testAccessingXMLFile()
         // dataobject as it hasn't been registered
         $expected = "<g:id>ip-123</g:id>";
         $this->assertEquals(1, substr_count($body, $expected), 'Product with code ip-123 exists');
-        
+
         $expected = "<g:id>cb-123</g:id>";
         $this->assertEquals(1, substr_count($body, $expected), 'Product with code cb-123 exists');
 
@@ -59,12 +59,12 @@ public function testAccessingXMLFile()
     public function testAccess()
     {
         Config::inst()->update('GoogleShoppingFeed', 'enabled', true);
-        
+
         $response = $this->get('shoppingfeed.xml');
 
         $this->assertEquals(200, $response->getStatusCode(), 'Feed returns a 200 success when enabled');
         $this->assertEquals('application/xml; charset="utf-8"', $response->getHeader('Content-Type'));
-        
+
         GoogleShoppingFeed::register_dataobject("GoogleShoppingFeedTest_Product");
         $response = $this->get('shoppingfeed.xml');
         $this->assertEquals(200, $response->getStatusCode(), 'Feed returns a 200 success when enabled with products');
@@ -72,15 +72,15 @@ public function testAccess()
 
         Config::inst()->remove('GoogleShoppingFeed', 'enabled');
         Config::inst()->update('GoogleShoppingFeed', 'enabled', false);
-        
+
         $response = $this->get('shoppingfeed.xml');
         $this->assertEquals(404, $response->getStatusCode(), 'Feed returns a 404 when disabled');
     }
-    
+
     public function testRemoveFromFeed()
     {
         Config::inst()->update('GoogleShoppingFeed', 'enabled', true);
-        
+
         $response = $this->get('shoppingfeed.xml');
         $body = $response->getBody();
 
@@ -97,7 +97,7 @@ public function testRemoveFromFeed()
  */
 class GoogleShoppingFeedTest_Product extends DataObject implements TestOnly
 {
-    
+
     public static $db = array(
         "Title"     => "Varchar",
         "Price"     => "Currency",
@@ -110,11 +110,11 @@ class GoogleShoppingFeedTest_Product extends DataObject implements TestOnly
         "MPN"       => "Varchar",
         "RemoveFromShoppingFeed" => "Boolean"
     );
-    
+
     public static $has_one = array(
         "Image"     => "Image"
     );
-    
+
     public static $many_many = array(
         "Shipping" => "GoogleShoppingFeedTest_Shipping"
     );
@@ -142,7 +142,7 @@ class GoogleShoppingFeedTest_Shipping extends DataObject implements TestOnly
         'Price' => 'Currency',
         'Country' => 'Varchar(2)'
     );
-    
+
     public static $belongs_many_many = array(
         "Products" => "GoogleShoppingFeedTest_Product"
     );
diff --git a/tests/GoogleShoppingFeedTest.yml b/tests/GoogleShoppingFeedTest.yml
index ef84932..42dcfbf 100644
--- a/tests/GoogleShoppingFeedTest.yml
+++ b/tests/GoogleShoppingFeedTest.yml
@@ -23,7 +23,7 @@ GoogleShoppingFeedTest_Shipping:
     Price: 5.99
     Country: US
 
-GoogleShoppingFeedTest_Product: 
+GoogleShoppingFeedTest_Product:
   iphone:
     Title: "iPhone"
     Price: 400.00