Update README.md

Author: jrean

README.md

@@ -17,6 +17,7 @@ easily handle a user verification and validate the e-mail.
 | 5.5.* | | | | x | | | |
 | 5.6.* | | | | | x | | |
 | 5.7.* | | | | | | x | x |
+| 5.8.* | | | | | | x | x |
 
 ## ABOUT