Failed to add to the download queue videos with a "/" on the title

I have notice that on the function: AddSearch the video is obtained by doing a split("/", ...). If a video contains on the title a slash, "/", the video id is not obtained.

Howto reproduce:
    1.- Open pytube
    2.- Download videos
    3.- Search "JustinSandercoe wish"
    4.- Results:
           034 Pink Floyd - Wish You Were Here 1/4 (justinguitar.com
           035 Pink Floyd - Wish You Were Here 2/4 (justinguitar.com
           036 Pink Floyd - Wish You Were Here 3/4 (justinguitar.com
           037 Pink Floyd Wish You Were Here 4 of 4 (justinguitar.com)
    5.- Select all the videos from above.
    6.- Only the 037 is downloaded.

I have done a workaround on my local copy to make it work:
 def AddSearch(self, widget):
                (model,iter) = self.movies.get_selection().get_selected()
                url = model.get_value(iter,1)
                r = re.search('(<i>)(.*)(<\/i>)', url)
                url = "http://www.youtube.com/watch?v=" + os.path.basename(r.group(2))

I hope it helps. Thanks for sharing your job :)