XML parsers should be case insensitive

[zach]

The XML parsers, especially ASX, should be case insensitive for the elements and attributes.

Something like:

public static function getAttribute(xml:XML, attribute:String):String{
     for (var currentAttribute:XML in xml.attributes()){
          if (currentAttribute.name().toString().toLowerCase() == attribute) {
                return currentAttribute.toString()
          }
     }
     return null;
}

[pablo]

Fixed in 828

[pablo]

Fixed in 919