Merge pull request #2108 from amorZhu/2.0

Update VersionManager.php

Author: PorygonCN

src/Extend/VersionManager.php

@@ -204,7 +204,11 @@ public function getNewFileVersions($name, $version = null)
 
         $position = array_search($version, array_keys($versions));
 
-        return array_slice($versions, ++$position);
+        if ($position === false) {
+            return $versions;
+        }
+
+        return array_slice($versions, $position++);
     }
 
     public function getFileVersions($name)