public void asyncGet(final String url, final boolean nocache, final Callback callback) {		
		asyncGet(url, null, nocache, callback);
	}
public void asyncGet ( final String url , final boolean nocache , final Callback callback ) { asyncGet ( url , null , nocache , callback ) ; }
Retrieve information from a server via a HTTP GET request.
@param url - URL target of this request
@param nocache - don't accept an invalidated cached response, and don't store the server's response in any cache
@param callback - is called back when the response is readable