MongoCursor::info() (https://github.com/koubas/mongofill/issues/30)
Merge branch 'master' of git://github.com/koubas/mongofill

* 'master' of git://github.com/koubas/mongofill:
  error handling and mongoid improves
  MongoCursor::count() fix bug with Order/Hint
  MongoCursor::count() improments