title: Candidate has non-matching type UITableView?
body: <p>Xcode says that "Candidate has non-matching type UITableView....."Anyone know how to figure this out?</p>
  
  <pre><code>func tableView(tableView: UITableView?, numberOfRowsInSection section: Int) 
  -&gt; Int {
          return dataSource[section].count
         }
  
  func tableView(tableView: UITableView?, cellForRowAtIndexPath indexPath: NSIndexPath!) 
  -&gt; UITableViewCell? {
          let cell = tableView!.dequeueReusableCellWithIdentifier("cell", forIndexPath: indexPath)                   as             UITableViewCell
  
          if let path = indexPath{
              let currentString = dataSource[path.section][path.row]
              cell.textLabel?.text = currentString
          }
          return cell
      }
  </code></pre>