Nicer way to handle the ConcurrentModification issue.

src/main/java/com/gmail/nossr50/party/runnables/PartyAutoKick.java

@@ -1,6 +1,6 @@
 package com.gmail.nossr50.party.runnables;
 
-import java.util.ArrayList;
+import java.util.Iterator;
 
 import org.bukkit.OfflinePlayer;
 
@@ -18,8 +18,10 @@ public class PartyAutoKick implements Runnable {
         long currentTime = System.currentTimeMillis();
         long kickTime = 24L * 60L * 60L * 1000L * Config.getInstance().getAutoPartyKickTime();
 
-        for (Party party : new ArrayList<Party>(PartyManager.getParties())) {
-            for (OfflinePlayer member : new ArrayList<OfflinePlayer>(party.getMembers())) {
+        for (Party party : PartyManager.getParties()) {
+            for (Iterator<OfflinePlayer> memberIterator = party.getMembers().iterator(); memberIterator.hasNext();) {
+                OfflinePlayer member = memberIterator.next();
+
                 if (currentTime - member.getLastPlayed() > kickTime) {
                     PartyManager.removeFromParty(member, party);
                 }