Basic RCON support for plutonium servers (World at war, Black ops 1, Black ops 2 & Modern warfare 3), Pretty sure all support RCON.
Mainly support for the ranking system, There are no good ranking serverlist systems out for these servers so a good ranking system liek battlemetrics would be nice, Not really bothered about the support of commands as most people create their own commands for the servers so support for that would be bothersome!