Changed _popToTag to run through a single range instead of two.
Changed _popToTag to run through a single range instead of two.

h4ck3rm1k3/BeautifulSoup4,h4ck3rm1k3/BeautifulSoup4,snarfed/beautifulsoup,snarfed/beautifulsoup,h4ck3rm1k3/BeautifulSoup4