Revision history for Data-XHash 0.09 2012-09-27 Reimplement SCALAR to pass Perl 5.6.2 testing. 0.08 2012-09-21 0.07 2012-09-21 0.06 2012-09-21 Finding and fixing silly typos. Triple ugh! 0.05 2012-09-21 Updated data structure and code for performance enhancement. Added previous_key method. FIRSTKEY and NEXTKEY are now implemented separately from first_key and next_key and use an internal iterator for faster keys(%$tiedhref). 0.04 2012-09-01 Added missing TIEHASH methods (DELETE, EXISTS, etc.) to POD. No code changes. 0.03 2012-08-31 Added missing store() alias for STORE() and can_ok tests for all methods. Added merge() method, tests, and docs. 0.02 2012-08-27 Made some small changes to the documentation and added the foreach method and associated tests. 0.01 2012-08-26 First version, released on an unsuspecting world.