     private func indentation(count: Int) -> String {
         var indent = String()
         if count > 0 {
-            for i in 0..<count {
+            for _ in 0..<count {
                 indent += "\t"
             }
         }

        
        :returns: Child XML element with `self` as `parent`.
    */
    public func addChild(#name: String, value: String? = nil, attributes: [NSObject : AnyObject] = [NSObject : AnyObject]()) -> AEXMLElement {
        let child = AEXMLElement(name, value: value, attributes: attributes)
        return addChild(child)
    }

    
    // MARK: NSXMLParserDelegate
    
    func parser(parser: NSXMLParser, didStartElement elementName: String, namespaceURI: String?, qualifiedName qName: String?, attributes attributeDict: [String : String]) {
        currentValue = String()
        currentElement = currentParent?.addChild(name: elementName, attributes: attributeDict)
        currentParent = currentElement
    }
    
    func parser(parser: NSXMLParser, foundCharacters string: String) {
        currentValue += string ?? String()
        let newValue = currentValue.stringByTrimmingCharactersInSet(NSCharacterSet.whitespaceAndNewlineCharacterSet())
        currentElement?.value = newValue == String() ? nil : newValue
