this.mainList=new HashList((ArrayList<BugLeafNode>)filteredSet.clone());
this.mainList=new HashList<BugLeafNode>((ArrayList<BugLeafNode>)filteredSet.clone());
	BugSet(ArrayList<BugLeafNode> filteredSet)	{		this.mainList=new HashList((ArrayList<BugLeafNode>)filteredSet.clone());		doneMap=new HashMap<StringPair,BugSet>();		doneContainsMap=new HashMap<StringPair,Boolean>();		cacheSortables();	}