(03 November 2012) Version 1.2.2: Added support for db_name, allowing people using admin authentication to specify a db name to use, since they must connect to the admin db.
(03 November 2012) Version 1.2.2: Thanks to @kmcgrath: Added support for db_name, allowing people using admin authentication to specify a db name to use, since they must connect to the admin db.
(29 July 2012) Version 1.2.1: Fixed bug with occurrence calculation.
(28 July 2012) Version 1.2: Removed map/reduce to avoid certain bugs, which also simplified some of the calculations.
