0.41
  - Re-discover master on "not master" errors
  - Make driver thread safe (Florian Ragwitz)
  - POD fix (Ronald Kimball)
  - Fix GridFS warning (Graham Barr)
  - Allow auto_connect => 0 for replica sets (Graham Barr)
0.40
  - DateTime floating timezones now warn on serialization
  - Attempting to serialize unrecognized object types now croaks
  - MongoDB::Cursor::explain now resets cursor properly
  - Added BSON::encode_bson and BSON::decode_bson (Jason Toffaletti)
  - Improved last_error/safe docs
  - Fixed doc spelling errors (Stefan Hornburg)
0.39
  - Fixed memory leak
0.38
  - Fixed indexing subdocuments (x.y.z)
  - Fixed GridFS to accept non-fs prefixes (Olly Stephens)
  - Fixed compile for old C compilers (Taro Nishino)
  - Added MongoDB::read_documents for handling db replies (Graham Barr)
0.37
  - Fixed cursor not found error condition
  - Fixed compile for old C compilers
  - Fixed weird file behavoir on some machines
0.36
  - Replica set support
  - Deserialize booleans as booleans (instead of ints) (Andrew Page)
  - Fixed OS X build (Todd Caine)
  - Added background option for index creation (Graham Barr)
  - Fixed slurp tests (Josh Rabinowitz)
  - Added MongoDB::Timestamp type
0.35 - 02 July 2010
  - Added MongoDB::BSON::utf8_flag_on (Pan Fan)
  - Added MongoDB::GridFS::File::slurp (Pan Fan)
  - Fixed memory leak
0.34 - 17 June 2010
  - $conn->foo->bar->baz now gets the bar.baz collection in the foo database
  - Slight speed improvements on inserts
  - Added $conn->query_timeout option to control timeout lengths for all queries
    done over a given connection
  - MongoDB::Cursor::tailable and MongoDB::Cursor::immortal
  - added TO_JSON function to MongoDB::OID
  - Fixed safe save (Othello Maurer)
  - BACKWARD-BREAKING: removed old indexing syntax (if you started using the 
    driver less than a year ago, this shouldn't affect you.  If you're an old-
    timer, make sure you're not using the syntax that has been deprecated for a 
    year).
0.33 26 April 2010
  - Fixed tests
0.32 21 April 2010
  - BACKWARD COMPATIBILITY BREAK: croak on failed safe 
    update/insert/remove/ensure_index (Eric Wilhelm)
  - w and wtimeout (see MongoDB::Connection::w)
  - die correctly on MongoCollection::count errors (help from Josh Rabinowitz)
  - added MongoDB::Collection::find (same as query)
  - added get, put, and delete methods to MongoDB::GridFS
  - Perl 5.12 compatibility
0.31 05 April 2010
  - C89 fix (Taro Nishino)
  - Added MongoDB::Code type
  - Use connection format: mongodb://host1,host2:port2,host3...
  - Arbitrary number of hosts supported
  - Auto-reauthentication on dropped connection
  - ensure_index name option
0.30 10 March 2010
  - Support BigInt
  - On 64-bit machines, support 64-bit nums w/out BigInt (Ryan Olson)
  - Added connection timeout option (Othello Maurer)
  - Added clarifying docs on fields (Josh Rabinowitz)
0.29 01 March 2010
  - Added safe options for remove, update, and ensure_index
  - Added save method
  - Fixed bug in UTF8 checking
  - Fixed serialization of "tie %hash, 'Tie:IxHash'"
0.28 28 Jan 2010
  - Fixed undef values (Andrew Bryan)
  - Added GridFS multi-chunk test using File::Temp (Josh Rabinowitz)
  - Allow tie(%h, 'Tie::IxHash') to be used as well as Tie::IxHash->new
  - Fixed GridFS indexes and added chunkSize and uploadDate to metadata
  - Fixed batch_insert doc (Eric Wilhelm)
  - Fixed big endian build
0.27 22 Dec 2009
  - Indexes: Improved ensure_index syntax, added drop_dups option
  - Inserts: Added safe insert, checks object is < 4 MB before inserting
  - Fixed socket closing bug
  - Big-endian support
  - $ can be replaced by any character using MongoDB::BSON::char
  - MongoDB::OIDs: Fixed undefined behavior in serialization (Peter Edwards), added OID::get_time
  - 5.8.7-compatible memory allocation (Peter Edwards)
  - Added MongoDB::MaxKey and MongoDB::MinKey support
0.26  09 Nov 2009
  - Don't force i386 arch (Needed to compile on OS X with x86_64) (Graham Barr)
  - Include inc/ dir for CPAN
  - Memory leak fixes
  - Added tutorial
0.24  15 Oct 2009
  - Fix for uninitialized array values (David Morrison)
  - boolean support
  - Connection memory leak fix
  - added MongoDB::Cursor::count
0.23  25 Sept 2009
  Changes in this version by Ask Bjørn Hansen, Florian Ragwitz,
  Orlando Vazquez, Kristina Chodorow, and Eric Wilhelm:
  - 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
  - find_one takes optional fields parameter
  - DateTime used for dates
  - No C++ driver dependency
0.01  06 May 2009
  - Initial release.