CHANGE LOG
==============
2007/03/21:
  - Support added for remote connectivity to DB2 zOS version 8
  - Support added for remote connectivity to DB2 i5 v5r3 and v5r4
  - Better support for Migrations (added change_column method)
  - Support for setting and retrieving values for client attributes (user, 
    account, application, workstation)

2006/10/31:
  - Significant performance improvements
  - Better stored procedure support at driver level
  - Added support for Large Objects greater than 32K (BLOB, CLOB, XML)
  - Added XML datatype support for native storage of XML documents
  - Significant quality improvement, through many bug fixes in the driver and adapter
  - Better support for Migrations (added add_column and remove_column methods)

2006/06/07:

  - Fixed compatibility issue with other adapters
  - If a schema is omitted in database.yml, the username is now used as default schema
  - Introduced descriptive CLI error messages when a connection or an execute statement fails
  - Introduced check against schema in method 'indexes'