FIX: adjusted requirements for PHP and Neos

Author: Florent Teuber

README.md

@@ -22,8 +22,8 @@ This Neos CMS plugin is for creating backups on different filesystems.
 - Free and open source
 
 ## Requirements
-- PHP <= 7.1
-- Neos <= 4.0
+- PHP >= 7.1
+- Neos >= 4.0
 
 ## Installation