Merge pull request #505 from it-can/firstWithFilters

add filter options to first() method

src/Picqer/Financials/Exact/Query/Findable.php

@@ -122,9 +122,20 @@ public function filter($filter, $expand = '', $select = '', $system_query_option
      *
      * @return \Picqer\Financials\Exact\Model|null
      */
-    public function first()
+    public function first($filter = '', $expand = '', $select = '', $system_query_options = null, array $headers = [])
     {
-        $results = $this->filter('', '', '', ['$top'=> 1]);
+        $query_options = [
+            '$top'=> 1,
+        ];
+
+        if (is_array($system_query_options)) {
+            // Remove this option, we only want 1 record
+            unset($system_query_options['$top']);
+
+            $query_options = array_merge($query_options, $system_query_options);
+        }
+
+        $results = $this->filter($filter, $expand, $select, $query_options, $headers);
         $result = is_array($results) && count($results) > 0 ? $results[0] : null;
 
         return $result;