Two more additions to the TAP Implementation Note.

[Dave Morris]

Two more additions to the TAP Implementation Note.

     Changing 'TMESTAMP' to 'DATETIME'
     
http://volute.googlecode.com/svn/trunk/projects/dal/TAPNotes/TAPNotes-fmt.html#ac-datetime

     Adding CAST(<numeric> AS <type>)
     
http://volute.googlecode.com/svn/trunk/projects/dal/TAPNotes/TAPNotes-fmt.html#af-cast

Thanks,
Dave

--------
Dave Morris
Software Developer
Wide Field Astronomy Unit
Institute for Astronomy
University of Edinburgh
--------