(Swift 3,4,5...) StringBuilder GetNth

Demonstrates the GetNth method.

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func chilkatTest() {
    // The GetNth method is handy for getting parts from delimited strings.
    // For example:

    let sb = CkoStringBuilder()!
    sb.append("red,blue,\"green,purple\",,yellow")

    var delimiterChar: String? = ","
    var exceptDoubleQuoted: Bool = true
    var exceptEscaped: Bool = true

    // Prints "[red]"
    print("[\(sb.getNth(0, delimiterChar: delimiterChar, exceptDoubleQuoted: exceptDoubleQuoted, exceptEscaped: exceptEscaped)!)]")

    // Prints "[blue]"
    print("[\(sb.getNth(1, delimiterChar: delimiterChar, exceptDoubleQuoted: exceptDoubleQuoted, exceptEscaped: exceptEscaped)!)]")

    // Prints "[green,purple]"
    print("[\(sb.getNth(2, delimiterChar: delimiterChar, exceptDoubleQuoted: exceptDoubleQuoted, exceptEscaped: exceptEscaped)!)]")

    // Prints "[]"
    print("[\(sb.getNth(3, delimiterChar: delimiterChar, exceptDoubleQuoted: exceptDoubleQuoted, exceptEscaped: exceptEscaped)!)]")

    // Prints "[yellow]"
    print("[\(sb.getNth(4, delimiterChar: delimiterChar, exceptDoubleQuoted: exceptDoubleQuoted, exceptEscaped: exceptEscaped)!)]")

    // Prints "[]"
    print("[\(sb.getNth(5, delimiterChar: delimiterChar, exceptDoubleQuoted: exceptDoubleQuoted, exceptEscaped: exceptEscaped)!)]")

}