diff --git a/.travis.yml b/.travis.yml
index 98ba962..0398f42 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,22 +4,16 @@ sudo: false
 
 language: php
 
-php:
-  - 5.3
-  - 5.4
-  - 5.5
-
-env:
-  - DB=MYSQL CORE_RELEASE=3.5
-
 matrix:
   include:
+    - php: 5.4
+      env: DB=MYSQL CORE_RELEASE=3.3
+    - php: 5.5
+      env: DB=MYSQL CORE_RELEASE=3.4
     - php: 5.6
+      env: DB=PGSQL CORE_RELEASE=3.5
+    - php: 7.0
       env: DB=MYSQL CORE_RELEASE=3
-    - php: 5.6
-      env: DB=MYSQL CORE_RELEASE=3.1
-    - php: 5.6
-      env: DB=PGSQL CORE_RELEASE=3.2
     - php: 7.1
       env: DB=MYSQL CORE_RELEASE=3.6
 
diff --git a/code/RestfulServer.php b/code/RestfulServer.php
index 2462feb..bc48df1 100644
--- a/code/RestfulServer.php
+++ b/code/RestfulServer.php
@@ -3,26 +3,26 @@
  * Generic RESTful server, which handles webservice access to arbitrary DataObjects.
  * Relies on serialization/deserialization into different formats provided
  * by the DataFormatter APIs in core.
- * 
+ *
  * @todo Finish RestfulServer_Item and RestfulServer_List implementation and re-enable $url_handlers
  * @todo Implement PUT/POST/DELETE for relations
- * @todo Access-Control for relations (you might be allowed to view Members and Groups, 
+ * @todo Access-Control for relations (you might be allowed to view Members and Groups,
  *       but not their relation with each other)
  * @todo Make SearchContext specification customizeable for each class
  * @todo Allow for range-searches (e.g. on Created column)
  * @todo Filter relation listings by $api_access and canView() permissions
- * @todo Exclude relations when "fields" are specified through URL (they should be explicitly 
+ * @todo Exclude relations when "fields" are specified through URL (they should be explicitly
  *       requested in this case)
- * @todo Custom filters per DataObject subclass, e.g. to disallow showing unpublished pages in 
+ * @todo Custom filters per DataObject subclass, e.g. to disallow showing unpublished pages in
  * SiteTree/Versioned/Hierarchy
- * @todo URL parameter namespacing for search-fields, limit, fields, add_fields 
+ * @todo URL parameter namespacing for search-fields, limit, fields, add_fields
  *       (might all be valid dataobject properties)
- *       e.g. you wouldn't be able to search for a "limit" property on your subclass as 
+ *       e.g. you wouldn't be able to search for a "limit" property on your subclass as
  *       its overlayed with the search logic
  * @todo i18n integration (e.g. Page/1.xml?lang=de_DE)
  * @todo Access to extendable methods/relations like SiteTree/1/Versions or SiteTree/1/Version/22
  * @todo Respect $api_access array notation in search contexts
- * 
+ *
  * @package framework
  * @subpackage api
  */
@@ -45,24 +45,24 @@ class RestfulServer extends Controller
      * @var string
      */
     public static $default_extension = "xml";
-    
+
     /**
      * If no extension is given, resolve the request to this mimetype.
      *
      * @var string
      */
     protected static $default_mimetype = "text/xml";
-    
+
     /**
      * @uses authenticate()
      * @var Member
      */
     protected $member;
-    
+
     public static $allowed_actions = array(
         'index'
     );
-    
+
     /*
     function handleItem($request) {
         return new RestfulServer_Item(DataObject::get_by_id($request->param("ClassName"), $request->param("ID")));
@@ -97,7 +97,7 @@ class RestfulServer extends Controller
         $className = $this->urlParams['ClassName'];
         $id = (isset($this->urlParams['ID'])) ? $this->urlParams['ID'] : null;
         $relation = (isset($this->urlParams['Relation'])) ? $this->urlParams['Relation'] : null;
-        
+
         // Check input formats
         if (!class_exists($className)) {
             return $this->notFound();
@@ -111,7 +111,7 @@ class RestfulServer extends Controller
             ) {
             return $this->notFound();
         }
-        
+
         // if api access is disabled, don't proceed
         $apiAccess = singleton($className)->stat('api_access');
         if (!$apiAccess) {
@@ -125,11 +125,11 @@ class RestfulServer extends Controller
         if ($this->request->isGET() || $this->request->isHEAD()) {
             return $this->getHandler($className, $id, $relation);
         }
-        
+
         if ($this->request->isPOST()) {
             return $this->postHandler($className, $id, $relation);
         }
-        
+
         if ($this->request->isPUT()) {
             return $this->putHandler($className, $id, $relation);
         }
@@ -141,10 +141,10 @@ class RestfulServer extends Controller
         // if no HTTP verb matches, return error
         return $this->methodNotAllowed();
     }
-    
+
     /**
      * Handler for object read.
-     * 
+     *
      * The data object will be returned in the following format:
      *
      * <ClassName>
@@ -164,12 +164,12 @@ class RestfulServer extends Controller
      * </ClassName>
      *
      * Access is controlled by two variables:
-     * 
+     *
      *   - static $api_access must be set. This enables the API on a class by class basis
      *   - $obj->canView() must return true. This lets you implement record-level security
-     * 
+     *
      * @todo Access checking
-     * 
+     *
      * @param String $className
      * @param Int $id
      * @param String $relation
@@ -178,24 +178,24 @@ class RestfulServer extends Controller
     protected function getHandler($className, $id, $relationName)
     {
         $sort = '';
-        
+
         if ($this->request->getVar('sort')) {
             $dir = $this->request->getVar('dir');
             $sort = array($this->request->getVar('sort') => ($dir ? $dir : 'ASC'));
         }
-        
+
         $limit = array(
             'start' => $this->request->getVar('start'),
             'limit' => $this->request->getVar('limit')
         );
-        
+
         $params = $this->request->getVars();
-        
+
         $responseFormatter = $this->getResponseDataFormatter($className);
         if (!$responseFormatter) {
             return $this->unsupportedMediaType();
         }
-        
+
         // $obj can be either a DataObject or a SS_List,
         // depending on the request
         if ($id) {
@@ -204,7 +204,7 @@ class RestfulServer extends Controller
             if (!$obj) {
                 return $this->notFound();
             }
-            if (!$obj->canView()) {
+            if (!$obj->canView($this->getMember())) {
                 return $this->permissionFailure();
             }
 
@@ -214,7 +214,7 @@ class RestfulServer extends Controller
                 if (!$obj) {
                     return $this->notFound();
                 }
-                
+
                 // TODO Avoid creating data formatter again for relation class (see above)
                 $responseFormatter = $this->getResponseDataFormatter($obj->dataClass());
             }
@@ -222,35 +222,37 @@ class RestfulServer extends Controller
             // Format: /api/v1/<MyClass>
             $obj = $this->getObjectsQuery($className, $params, $sort, $limit);
         }
-        
+
         $this->getResponse()->addHeader('Content-Type', $responseFormatter->getOutputContentType());
-        
+
         $rawFields = $this->request->getVar('fields');
         $fields = $rawFields ? explode(',', $rawFields) : null;
 
         if ($obj instanceof SS_List) {
-            $responseFormatter->setTotalSize($obj->dataQuery()->query()->unlimitedRowCount());
-            $objs = new ArrayList($obj->toArray());
+            $objs = ArrayList::create($obj->toArray());
             foreach ($objs as $obj) {
-                if (!$obj->canView()) {
+                if (!$obj->canView($this->getMember())) {
                     $objs->remove($obj);
                 }
             }
+            $responseFormatter->setTotalSize($objs->count());
             return $responseFormatter->convertDataObjectSet($objs, $fields);
-        } elseif (!$obj) {
+        }
+
+        if (!$obj) {
             $responseFormatter->setTotalSize(0);
             return $responseFormatter->convertDataObjectSet(new ArrayList(), $fields);
-        } else {
-            return $responseFormatter->convertDataObject($obj, $fields);
         }
+
+        return $responseFormatter->convertDataObject($obj, $fields);
     }
-    
+
     /**
      * Uses the default {@link SearchContext} specified through
      * {@link DataObject::getDefaultSearchContext()} to augument
      * an existing query object (mostly a component query from {@link DataObject})
-     * with search clauses. 
-     * 
+     * with search clauses.
+     *
      * @todo Allow specifying of different searchcontext getters on model-by-model basis
      *
      * @param string $className
@@ -267,12 +269,12 @@ class RestfulServer extends Controller
         }
         return $searchContext->getQuery($params, $sort, $limit, $existingQuery);
     }
-    
+
     /**
      * Returns a dataformatter instance based on the request
      * extension or mimetype. Falls back to {@link self::$default_extension}.
-     * 
-     * @param boolean $includeAcceptHeader Determines wether to inspect and prioritize any HTTP Accept headers 
+     *
+     * @param boolean $includeAcceptHeader Determines wether to inspect and prioritize any HTTP Accept headers
      * @param String Classname of a DataObject
      * @return DataFormatter
      */
@@ -305,7 +307,7 @@ class RestfulServer extends Controller
         if (!$formatter) {
             return false;
         }
-        
+
         // set custom fields
         if ($customAddFields = $this->request->getVar('add_fields')) {
             $formatter->setCustomAddFields(explode(',', $customAddFields));
@@ -314,7 +316,7 @@ class RestfulServer extends Controller
             $formatter->setCustomFields(explode(',', $customFields));
         }
         $formatter->setCustomRelations($this->getAllowedRelations($className));
-        
+
         $apiAccess = singleton($className)->stat('api_access');
         if (is_array($apiAccess)) {
             $formatter->setCustomAddFields(
@@ -341,10 +343,10 @@ class RestfulServer extends Controller
         if (is_numeric($relationDepth)) {
             $formatter->relationDepth = (int)$relationDepth;
         }
-        
+
         return $formatter;
     }
-    
+
     /**
      * @param String Classname of a DataObject
      * @return DataFormatter
@@ -353,7 +355,7 @@ class RestfulServer extends Controller
     {
         return $this->getDataFormatter(false, $className);
     }
-    
+
     /**
      * @param String Classname of a DataObject
      * @return DataFormatter
@@ -362,7 +364,7 @@ class RestfulServer extends Controller
     {
         return $this->getDataFormatter(true, $className);
     }
-    
+
     /**
      * Handler for object delete
      */
@@ -372,12 +374,12 @@ class RestfulServer extends Controller
         if (!$obj) {
             return $this->notFound();
         }
-        if (!$obj->canDelete()) {
+        if (!$obj->canDelete($this->getMember())) {
             return $this->permissionFailure();
         }
-        
+
         $obj->delete();
-        
+
         $this->getResponse()->setStatusCode(204); // No Content
         return true;
     }
@@ -391,22 +393,26 @@ class RestfulServer extends Controller
         if (!$obj) {
             return $this->notFound();
         }
-        if (!$obj->canEdit()) {
+        if (!$obj->canEdit($this->getMember())) {
             return $this->permissionFailure();
         }
-        
+
         $reqFormatter = $this->getRequestDataFormatter($className);
         if (!$reqFormatter) {
             return $this->unsupportedMediaType();
         }
-        
+
         $responseFormatter = $this->getResponseDataFormatter($className);
         if (!$responseFormatter) {
             return $this->unsupportedMediaType();
         }
-        
+
+        /** @var DataObject|string */
         $obj = $this->updateDataObject($obj, $reqFormatter);
-        
+        if (is_string($obj)) {
+            return $obj;
+        }
+
         $this->getResponse()->setStatusCode(200); // Success
         $this->getResponse()->addHeader('Content-Type', $responseFormatter->getOutputContentType());
 
@@ -420,13 +426,13 @@ class RestfulServer extends Controller
 
         $objHref = Director::absoluteURL(self::$api_base . "$obj->class/$obj->ID" . $type);
         $this->getResponse()->addHeader('Location', $objHref);
-        
+
         return $responseFormatter->convertDataObject($obj);
     }
 
     /**
      * Handler for object append / method call.
-     * 
+     *
      * @todo Posting to an existing URL (without a relation)
      * current resolves in creatig a new element,
      * rather than a "Conflict" message.
@@ -438,57 +444,61 @@ class RestfulServer extends Controller
                 $this->response->setStatusCode(409);
                 return 'Conflict';
             }
-            
+
             $obj = DataObject::get_by_id($className, $id);
             if (!$obj) {
                 return $this->notFound();
             }
-            
+
             if (!$obj->hasMethod($relation)) {
                 return $this->notFound();
             }
-            
+
             if (!$obj->stat('allowed_actions') || !in_array($relation, $obj->stat('allowed_actions'))) {
                 return $this->permissionFailure();
             }
-            
+
             $obj->$relation();
-            
+
             $this->getResponse()->setStatusCode(204); // No Content
             return true;
-        } else {
-            if (!singleton($className)->canCreate()) {
-                return $this->permissionFailure();
-            }
-            $obj = new $className();
-        
-            $reqFormatter = $this->getRequestDataFormatter($className);
-            if (!$reqFormatter) {
-                return $this->unsupportedMediaType();
-            }
-        
-            $responseFormatter = $this->getResponseDataFormatter($className);
-        
-            $obj = $this->updateDataObject($obj, $reqFormatter);
-        
-            $this->getResponse()->setStatusCode(201); // Created
-            $this->getResponse()->addHeader('Content-Type', $responseFormatter->getOutputContentType());
-
-            // Append the default extension for the output format to the Location header
-            // or else we'll use the default (XML)
-            $types = $responseFormatter->supportedExtensions();
-            $type = '';
-            if (count($types)) {
-                $type = ".{$types[0]}";
-            }
-
-            $objHref = Director::absoluteURL(self::$api_base . "$obj->class/$obj->ID" . $type);
-            $this->getResponse()->addHeader('Location', $objHref);
-        
-            return $responseFormatter->convertDataObject($obj);
         }
+
+        if (!singleton($className)->canCreate($this->getMember())) {
+            return $this->permissionFailure();
+        }
+        $obj = new $className();
+
+        $reqFormatter = $this->getRequestDataFormatter($className);
+        if (!$reqFormatter) {
+            return $this->unsupportedMediaType();
+        }
+
+        $responseFormatter = $this->getResponseDataFormatter($className);
+
+        /** @var DataObject|string $obj */
+        $obj = $this->updateDataObject($obj, $reqFormatter);
+        if (is_string($obj)) {
+            return $obj;
+        }
+
+        $this->getResponse()->setStatusCode(201); // Created
+        $this->getResponse()->addHeader('Content-Type', $responseFormatter->getOutputContentType());
+
+        // Append the default extension for the output format to the Location header
+        // or else we'll use the default (XML)
+        $types = $responseFormatter->supportedExtensions();
+        $type = '';
+        if (count($types)) {
+            $type = ".{$types[0]}";
+        }
+
+        $objHref = Director::absoluteURL(self::$api_base . "$obj->class/$obj->ID" . $type);
+        $this->getResponse()->addHeader('Location', $objHref);
+
+        return $responseFormatter->convertDataObject($obj);
     }
-    
+
     /**
      * Converts either the given HTTP Body into an array
      * (based on the DataFormatter instance), or returns
@@ -498,7 +508,7 @@ class RestfulServer extends Controller
      *
      * @param DataObject $obj
      * @param DataFormatter $formatter
-     * @return DataObject The passed object
+     * @return DataObject|string The passed object, or "No Content" if incomplete input data is provided
      */
     protected function updateDataObject($obj, $formatter)
     {
@@ -508,17 +518,17 @@ class RestfulServer extends Controller
             $this->getResponse()->setStatusCode(204); // No Content
             return 'No Content';
         }
-        
+
         if (!empty($body)) {
             $data = $formatter->convertStringToArray($body);
         } else {
             // assume application/x-www-form-urlencoded which is automatically parsed by PHP
             $data = $this->request->postVars();
         }
-        
+
         // @todo Disallow editing of certain keys in database
         $data = array_diff_key($data, array('ID', 'Created'));
-        
+
         $apiAccess = singleton($this->urlParams['ClassName'])->stat('api_access');
         if (is_array($apiAccess) && isset($apiAccess['edit'])) {
             $data = array_intersect_key($data, array_combine($apiAccess['edit'], $apiAccess['edit']));
@@ -526,14 +536,14 @@ class RestfulServer extends Controller
 
         $obj->update($data);
         $obj->write();
-        
+
         return $obj;
     }
-    
+
     /**
      * Gets a single DataObject by ID,
      * through a request like /api/v1/<MyClass>/<MyID>
-     * 
+     *
      * @param string $className
      * @param int $id
      * @param array $params
@@ -543,7 +553,7 @@ class RestfulServer extends Controller
     {
         return DataList::create($className)->byIDs(array($id));
     }
-    
+
     /**
      * @param DataObject $obj
      * @param array $params
@@ -555,8 +565,8 @@ class RestfulServer extends Controller
     {
         return $this->getSearchQuery($className, $params, $sort, $limit);
     }
-    
-    
+
+
     /**
      * @param DataObject $obj
      * @param array $params
@@ -575,16 +585,16 @@ class RestfulServer extends Controller
             } else {
                 $list = $obj->$relationName();
             }
-            
+
             $apiAccess = singleton($list->dataClass())->stat('api_access');
             if (!$apiAccess) {
                 return false;
             }
-            
+
             return $this->getSearchQuery($list->dataClass(), $params, $sort, $limit, $list);
         }
     }
-    
+
     protected function permissionFailure()
     {
         // return a 401
@@ -601,21 +611,21 @@ class RestfulServer extends Controller
         $this->getResponse()->addHeader('Content-Type', 'text/plain');
         return "That object wasn't found";
     }
-    
+
     protected function methodNotAllowed()
     {
         $this->getResponse()->setStatusCode(405);
         $this->getResponse()->addHeader('Content-Type', 'text/plain');
         return "Method Not Allowed";
     }
-    
+
     protected function unsupportedMediaType()
     {
         $this->response->setStatusCode(415); // Unsupported Media Type
         $this->getResponse()->addHeader('Content-Type', 'text/plain');
         return "Unsupported Media Type";
     }
-    
+
     /**
      * A function to authenticate a user
      *
@@ -626,11 +636,11 @@ class RestfulServer extends Controller
         $authClass = self::config()->authenticator;
         return $authClass::authenticate();
     }
-    
+
     /**
      * Return only relations which have $api_access enabled.
      * @todo Respect field level permissions once they are available in core
-     * 
+     *
      * @param string $class
      * @param Member $member
      * @return array
@@ -649,11 +659,21 @@ class RestfulServer extends Controller
         }
         return $allowedRelations;
     }
+
+    /**
+     * Get the current Member, if available
+     *
+     * @return Member|null
+     */
+    protected function getMember()
+    {
+        return Member::currentUser();
+    }
 }
 
 /**
  * Restful server handler for a SS_List
- * 
+ *
  * @package framework
  * @subpackage api
  */
@@ -667,7 +687,7 @@ class RestfulServer_List
     {
         $this->list = $list;
     }
-    
+
     public function handleItem($request)
     {
         return new RestulServer_Item($this->list->getById($request->param('ID')));
@@ -676,7 +696,7 @@ class RestfulServer_List
 
 /**
  * Restful server handler for a single DataObject
- * 
+ *
  * @package framework
  * @subpackage api
  */
@@ -690,7 +710,7 @@ class RestfulServer_Item
     {
         $this->item = $item;
     }
-    
+
     public function handleRelation($request)
     {
         $funcName = $request('Relation');
diff --git a/composer.json b/composer.json
index d63b237..482f89f 100644
--- a/composer.json
+++ b/composer.json
@@ -1,28 +1,29 @@
 {
-	"name": "silverstripe/restfulserver",
-	"description": "Add a RESTful API to your SilverStripe application",
-	"type": "silverstripe-module",
-	"keywords": ["silverstripe", "rest", "api"],
-	"authors": [
-	{
-		"name": "Hamish Friedlander",
-		"email": "hamish@silverstripe.com"
-	},
-	{
-		"name": "Sam Minnee",
-		"email": "sam@silverstripe.com"
-	}
-	],
-	"require":
-	{
-		"silverstripe/framework": "3.*"
-	},
-	"extra":
-	{
-		"branch-alias":
-		{
-			"dev-master": "1.0.x-dev"
-		}
-	},
-	"license": "BSD-3-Clause"
+    "name": "silverstripe/restfulserver",
+    "description": "Add a RESTful API to your SilverStripe application",
+    "type": "silverstripe-module",
+    "keywords": [
+        "silverstripe",
+        "rest",
+        "api"
+    ],
+    "authors": [
+        {
+            "name": "Hamish Friedlander",
+            "email": "hamish@silverstripe.com"
+        },
+        {
+            "name": "Sam Minnee",
+            "email": "sam@silverstripe.com"
+        }
+    ],
+    "require": {
+        "silverstripe/framework": "3.*"
+    },
+    "extra": {
+        "branch-alias": {
+            "dev-master": "1.1.x-dev"
+        }
+    },
+    "license": "BSD-3-Clause"
 }
diff --git a/tests/unit/RestfulServerTest.php b/tests/unit/RestfulServerTest.php
index 54a9d77..ee6dfba 100644
--- a/tests/unit/RestfulServerTest.php
+++ b/tests/unit/RestfulServerTest.php
@@ -188,18 +188,31 @@ class RestfulServerTest extends SapphireTest
             $response->getHeader('Location'),
             Controller::join_links(Director::absoluteBaseURL(), $url, $responseArr['ID'])
         );
-    
+
         unset($_SERVER['PHP_AUTH_USER']);
         unset($_SERVER['PHP_AUTH_PW']);
     }
-    
+
+    public function testPostWithoutBodyReturnsNoContent()
+    {
+        $_SERVER['PHP_AUTH_USER'] = 'editor@test.com';
+        $_SERVER['PHP_AUTH_PW'] = 'editor';
+
+        $url = '/api/v1/RestfulServerTest_Comment';
+        $response = Director::test($url, null, null, 'POST');
+
+        $this->assertEquals('No Content', $response->getBody());
+
+        unset($_SERVER['PHP_AUTH_USER'], $_SERVER['PHP_AUTH_PW']);
+    }
+
     public function testPUTwithJSON()
     {
         $comment1 = $this->objFromFixture('RestfulServerTest_Comment', 'comment1');
-        
+
         $_SERVER['PHP_AUTH_USER'] = 'editor@test.com';
         $_SERVER['PHP_AUTH_PW'] = 'editor';
-        
+
         // by mimetype
         $url = "/api/v1/RestfulServerTest_Comment/" . $comment1->ID;
         $body = '{"Comment":"updated"}';
@@ -463,6 +476,8 @@ class RestfulServerTest extends SapphireTest
         $response = Director::test($url, null, null, 'GET');
         $this->assertEquals($response->getStatusCode(), 200);
         $this->assertNotContains('Unspeakable', $response->getBody());
+        $responseArray = Convert::json2array($response->getBody());
+        $this->assertSame(0, $responseArray['totalSize']);
 
         // With authentication
         $_SERVER['PHP_AUTH_USER'] = 'editor@test.com';
@@ -471,6 +486,9 @@ class RestfulServerTest extends SapphireTest
         $response = Director::test($url, null, null, 'GET');
         $this->assertEquals($response->getStatusCode(), 200);
         $this->assertContains('Unspeakable', $response->getBody());
+        // Assumption: default formatter is XML
+        $responseArray = Convert::xml2array($response->getBody());
+        $this->assertEquals(1, $responseArray['@attributes']['totalSize']);
         unset($_SERVER['PHP_AUTH_USER']);
         unset($_SERVER['PHP_AUTH_PW']);
     }