0.20

  Changes in this version by Ask Bjørn Hansen, Florian Ragwitz,
  Orlando Vazquez and Kristina Chodorow:

  - Make inserting double's (floats/NV's), undefined/null, Tie::IxHash values
  - Query sorting, snapshot, explain, and hint
  - Added non-unique ensure_index
  - Added GridFS
  - Added regex support
  - No C++ driver dependency


0.01  06 May 2009
  - Initial release.