Constructor
new Request()
PrivateConstructor: Strophe.Request Create and initialize a new Strophe.Request object.
Parameters: (XMLElement) elem - The XML data to be sent in the request. (Function) func - The function that will be called when the XMLHttpRequest readyState changes. (Integer) rid - The BOSH rid attribute associated with this request. (Integer) sends - The number of times this same request has been sent.