/// <summary>
 /// the url relocation check constructor
 /// </summary>
 /// <param name="check_url">the url to check for relocation</param>
 /// <param name="handler">the handler to call when a relocation was determined</param>
 /// <param name="mime_handler">the handler to call when a mime type was determined</param>
 public UrlRelocationCheck(string check_url, FoundRelocatedUrlEventHandler handler, FoundMimeTypeEventHandler mime_handler)
 {
     url = check_url;
     FoundRelocatedUrl += handler;
     FoundMimeType     += mime_handler;
     CheckUrl();
 }
 /// <summary>
 /// the url relocation check constructor
 /// </summary>
 /// <param name="check_url">the url to check for relocation</param>
 /// <param name="handler">the handler to call when a relocation was determined</param>
 /// <param name="mime_handler">the handler to call when a mime type was determined</param>
 public UrlRelocationCheck(string check_url, FoundRelocatedUrlEventHandler handler, FoundMimeTypeEventHandler mime_handler)
 {
     url = check_url;
     FoundRelocatedUrl += handler;
     FoundMimeType += mime_handler;
     CheckUrl();
 }