General functions, Clipper written
  Overview        About these routines
  XPaSave()       Save an array to disk                                      .
  XPaRestore()    Restore an array from disk                                 .
  XPaFieldGet()   Get the fields from the database into an Array             .
  XPaFieldPut()   Put an Array of field data into current record             .
  XPqsort()       General Purpose Sorting function                           .
  XPrandomize()   Initialise the Pseudo Random generator                     .
  XPrandom()      Return a random number                                     .
  XPaDelimit()    Convert a delimited String to an Array                     .
  XPaMaxLen()     Return length of Largest string in Array                   .