2001-06-13	Original release of Tie::Hash::Transactional

This only supported transactions in the top level of a multi-level data
structure.

2004-05-28	Tie::Hash::Transactional 1.1 released.  Only change is
                documentation updates to note the above limitation, and
		to also note that it is deprecated
2004-11-06	First release of Data::Transactional