Fixed index in the command

Author: jamezrin

src/main/java/com/jaimemartz/playerbalancer/commands/FallbackCommand.java

@@ -43,7 +43,7 @@ public void execute(CommandSender sender, String[] args) {
                         } else {
                             int iterations = 0;
                             for (ServerInfo server : target.getServers()) {
-                                if (iterations++ < number) {
+                                if (iterations++ < number - 1) {
                                     continue;
                                 }