自动解析xml为字典对象 ####Use Example
NSString * xml = @"<?xml version=\"1.0\" encoding=\"utf-8\"?>\
<ebMobileStartupInqRq xmlns=\"http://ns.chinatrust.com.tw/XSD/CTCB/ESB/Message/BSMF/ebMobileStartupInqRq/01\">\
<REQHDR>\
<TrnNum>INHB2015042900000001</TrnNum>\
<TrnCode>1957747793</TrnCode>\
</REQHDR>\
<REQBDY>\
<OS>iPhone</OS>\
<App>CC</App>\
<IconVersion></IconVersion>\
</REQBDY>\
</ebMobileStartupInqRq>";
NSDictionary * dict = [WHC_XMLParser dictionaryForXMLString:xml];