UITableViewDataSource.swift

    // UITableView data source delegate methods
    // These are the methods that UITableView calls on the controller to 
    // setup the table view with the number of items and a reusable cell

    override func numberOfSectionsInTableView(tableView: UITableView) -> Int {
        // return the number of sections
        return 1
    }

    override func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        // return the number of rows - number of items in an array
        return items.count
    }

    
    override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
        
        // Dequeue a cell from the UITableView.  This method will always return a cell - creating one if needed
        let cell = tableView.dequeueReusableCellWithIdentifier("stringItemCell", forIndexPath: indexPath)

        // Get the item from the array for this index
        let stringItem = items[indexPath.row]
        
        // Update the cell.  The views should be updated with the appropriate items each time this is called
        // since cells are reused and therefore will have data from a different row item if reused and not updated.
        cell.textLabel?.text = stringItem

        return cell
    }