Original Authors:
 Ingela Anderton - version 1.0
 Ingvar Meyer - version 0.9.1
 Joakim Hirsch  - first version	 

Contributors:
Scott Lystig Fritchie - input/output variables for stored procedures
willi@talk24.com - Some 64 bits adjustments
Juhani Ränkimies -  SQL_WCHAR and SQL_WVARCHAR support
Juhani Ränkimies -  TIMESTAMP support