aToken()

         Returns an array of words from a string

    Syntax:

         aToken( cString [, cSepara] ) -> aWords

         cString : The string to treat
         cSepara : A string with valid word separators. By default
                   ,;:. ?..!()&/*+-%[]{}"

    Description:

         Treats a string as if it were a phrase creating an array of words
         contained in the string. May be very useful to syntactic analyzers
         generation, pseudo-compilers...

    Return:

         An array of words.

    Example:

         aArray := aToken ( "Fast Library For Clipper" )
         For nInd := 1 To Len ( aArray )
           ? aArray[ nInd ]
         Next