2001 05 09 - Initial version 1.0

2001 05 09 - Version 1.1
	- Add table grant extraction based on group. Oracle ROLES are groups in PG

2001 05 11 - Version 1.2
	- Views extraction is now really done with the option type=>'VIEWS'
	- Add indexes extraction on tables.
	- Changes name of constraints, default is now used.
	- Add debug printing to see that the process is running :-)
	- Add extraction of only required tablename.
	- Add extraction of only n to n table indice. Indices of extraction can be obtained
	  with the option showtableid set to 1.
	- Fix print of NOT NULL field.
	- Complete rewrite of the grant extraction
	- Complete rewrite of most things