'This method is called when the plugin wont be used anymore.
:return: None'

def end(self):

    for (comment, url_request_id_lst) in self._comments.iteritems():
        stick_comment = '    '.join(comment.split())
        if (len(stick_comment) > 40):
            msg = 'A    comment    with    the    string    "%s..."    (and    %s    more    bytes)    was    found    on    these    URL(s):'
            args = (stick_comment[:40], str((len(stick_comment) - 40)))
            om.out.information((msg % args))
        else:
            msg = 'A    comment    containing    "%s"    was    found    on    these    URL(s):'
            om.out.information((msg % stick_comment))
        inform = []
        for (url, request_id) in url_request_id_lst:
            msg = '-    %s    (request    with    id:    %s)'
            inform.append((msg % (url, request_id)))
        for i in sorted(inform):
            om.out.information(i)
    self._end_was_called = True
    self._comments.cleanup()
