NAME:
  mergeobj
 PURPOSE:
  Merge a pair of object lists.
 DESCRIPTION:

 CATEGORY:
  Astrometry
 CALLING SEQUENCE:
  mergeobj,file1,file2,outfile
 INPUTS:
  file1 - First object list file.
  file2 - Second object list file.
  outfile - Name of file to write merged list to (can be the same as file1 or 2).
 OPTIONAL INPUT PARAMETERS:

 KEYWORD INPUT PARAMETERS:

 OUTPUTS:

 KEYWORD OUTPUT PARAMETERS:

 COMMON BLOCKS:

 SIDE EFFECTS:

 RESTRICTIONS:

 PROCEDURE:

 MODIFICATION HISTORY:
  1999/2/16, Written by Marc W. Buie, Lowell Observatory
  2002/09/03, MWB, changed Str_sep call to strsplit