0.1.0 - Dec 6, 2006
 * Initial release
 
0.2.0 - Dec 7, 2006
 * Added an XML parser for source parsing
 * Added support for compound key constraints in destinations via the :unique => [] option
 * Added ability to declare explicit columns in bulk import
 * Added support for generators in destinations
 * Added a SurrogateKeyGenerator for cases where the database doesn't support auto generated surrogate keys
 
0.3.0
 * Added support for calculated values in virtual fields with Proc