Merge branch 'devel' of https://github.com/arangodb/arangodb-php into devel

Author: jsteemann

lib/ArangoDBClient/BatchPart.php

@@ -290,6 +290,13 @@ public function getProcessedResponse()
                 $options  = array_merge(['_documentClass' => $this->_documentClass], $options);
                 $response = new Cursor($this->_batch->getConnection(), $response->getJson(), $options);
                 break;
+            case 'remove':
+                $json     = $response->getJson();
+                $response = [
+                    'removed' => $json['removed'],
+                    'ignored' => $json['ignored']
+                ];
+                break;
             default:
                 throw new ClientException('Could not determine response data type.');
                 break;

lib/ArangoDBClient/CollectionHandler.php

@@ -1598,6 +1598,10 @@ public function removeByKeys($collectionId, array $keys, array $options = [])
         );
 
         $response = $this->getConnection()->put(Urls::URL_REMOVE_BY_KEYS, $this->json_encode_wrapper($body));
+        
+        if ($batchPart = $response->getBatchPart()) {
+            return $batchPart;
+        }
 
         $responseArray = $response->getJson();