Fix a bug:

XML parser cannot parse innerHTML correctly.
For example:
'<URLBase>http://10.0.0.46:9431</URLBase>'

var urls = xml.querySelectorAll 'URLBase'
urls[0].innerHTML is 'http://10.0.0.46', but not 'http://10.0.0.46:9431'

Signed-off-by: Manson Li <lijinsong@intfhink.com>