added get_page() to HitWrapper and DB.  Also better error catching in HitWrapper
Merge pull request #51 from rwhaling/master

page objects and Sqlite error handling
modified cite.py for new get_page function
fixed bug where double-quoted empty string attribute values come out empty
Merge pull request #52 from rwhaling/master

merge bug fixes, etc
Merge pull request #11 from ARTFL-Project/master

Update downstream