code: public static ParseSetup guessSetup(Key[] fkeys, boolean singleQuote, int checkHeader) {
      return guessSetup(fkeys, new ParseSetup(GUESS_INFO, GUESS_SEP, singleQuote, checkHeader, GUESS_COL_CNT, null, new ParseWriter.ParseErr[0]));
    }
docs: Used by test harnesses for simple parsing of test data.  Presumes
  auto-detection for file and separator types.
  
  @param fkeys Keys to input vectors to be parsed
  @param singleQuote single quotes quote fields
  @param checkHeader check for a header
  @return ParseSetup settings from looking at all files