/**
	 * Cleans snapshots of entries over 60 seconds old (executed every second)
	 */
	public void cleanSnapshotDeque() {
		long curTime = System.currentTimeMillis();
		if (curTime - lastCleanedChatlogs > 1000) {
			lastCleanedChatlogs = curTime;
			lastCleanedChatlogsOutput++;
			if(lastCleanedChatlogsOutput > 60*5) {
				Logger.println("----------------------------------------------");
				Logger.println(world.getSnapshots().size() + " items on deque");
			}
			Iterator<Snapshot> i = world.getSnapshots().descendingIterator();
			Snapshot s = null;
			while (i.hasNext()) {
				s = i.next();
				if (curTime - s.getTimestamp() > 60000) {
					i.remove();
					s = null;
					}
				else {
					s = null;
				}
			}
			i = null;
			if(lastCleanedChatlogsOutput > 60*5) {
				Logger.println(world.getSnapshots().size() + " items on deque AFTER CLEANUP");
				Logger.println("----------------------------------------------");
				lastCleanedChatlogsOutput = 0;
			}
		}
	}