Set MySQL 5.7 as the min as this is the standard

The min requirement for Cloudlog is MySQL is MySQL 5.7, please note any commits MUST be compatible with this version else they will be rejected

README.md

@@ -7,7 +7,7 @@ Website: [http://www.cloudlog.co.uk](http://www.cloudlog.co.uk)
 ## Requirements
 * Linux based Operating System
 * Apache (Nginx should work)
-* PHP (Version 7 or higher) & MySQL
+* PHP (Version 7 or higher) & MySQL (MySQL 5.7 or higher)
 
 ## Versions