Added v13 database schema with new version column for systems
Added v13 database schema with new version column for systems

klightspeed/EDDiscovery,EDDiscovery/EDDiscovery,klightspeed/EDDiscovery,andreaspada/EDDiscovery,klightspeed/EDDiscovery,EDDiscovery/EDDiscovery,andreaspada/EDDiscovery,EDDiscovery/EDDiscovery