Vector<Vector <Value> > ReadCSVFile(
	const String fileName,		// File name
	char separator = ',', 		// Separator between data
	bool bycols = true, 		// Data is in columns, not in rows
	bool removeRepeated = true, 	// Remove repeated rows
	char decimalSign = '.', 	// Decimal sign (it may be ',' instead
	bool onlyStrings = false	// if false, it tries to use the appropriate number type, if not it consider everything as strings
);