Optimize performance and thread-safety

README.md

@@ -23,10 +23,11 @@ So they don't need to enter passwords. This is also called auto login (auto-logi
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 ###Commands:
-* /premium Label the invoker as paid account
+    * /premium [player] Label the invoker as paid account
+    * /cracked [player] Label the invoker as cracked account
 
 ###Permissions:
-* fastlogin.bukkit.command.premium
+    * fastlogin.bukkit.command.premium
 
 ###Requirements:
 * Plugin: [ProtocolLib](http://www.spigotmc.org/resources/protocollib.1997/)