[fix] html escape

from urllib import urlencode

from lxml import html

from cgi import escape

base_url = None

search_url = None

        if url.startswith('http://www.google.')\

           or url.startswith('https://www.google.'):

            continue

        title = link.text_content()

        title = escape(link.text_content())

        content = ''

        if result.xpath('./p[@class="desc"]'):

            content = result.xpath('./p[@class="desc"]')[0].text_content()

            content = escape(result.xpath('./p[@class="desc"]')[0].text_content())

        results.append({'url': url, 'title': title, 'content': content})