Fixed #78: Remove encoding tag because lxml won't accept it for unicode objects

lxml apparently doesn't accept unicode objects with both an encoding specified and an encoding tag in the HTML document, because they're paranoid that the two won't match. Stripped encoding tag before calling lxml.html.fromstring()
Merge pull request #97 from mhall1/ticket_78_python_2_head

Fixed #78: Remove encoding tag because lxml won't accept it for unicode