NAME:
  pntcol
 PURPOSE:
  Collate pointing data from astrometry results and image headers.
 DESCRIPTION:
 CATEGORY:
  Astrometry
 CALLING SEQUENCE:
  pntcol
 INPUTS:
 OPTIONAL INPUT PARAMETERS:
 KEYWORD INPUT PARAMETERS:
  KEYLIST - file name containing keyword correspondence list
  DDIR    - directory to look for image data (default=current)
 OUTPUTS:
 KEYWORD OUTPUT PARAMETERS:
 COMMON BLOCKS:
 SIDE EFFECTS:
 RESTRICTIONS:
 PROCEDURE:
 MODIFICATION HISTORY:
  Written by Marc W. Buie, Lowell Observatory, 2001/12/19
  2006/07/12, MWB, added support for optional .fits tag on image file name.