(Swift 3,4,5...) Decimal Integer List Encoding

The "decList" encoding was added in Chilkat v9.5.0.66 to encode and decode binary bytes from comma-separated decimal integers.

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func chilkatTest() {
    // Note: This example requires Chilkat v9.5.0.66 or greater.

    var byteVals: String? = "84,104,101,32,116,114,117,101,32,115,105,103,110,32,111,102,32,105,110,116,101,108,108,105,103,101,110,99,101,32,105,115,32,110,111,116,32,107,110,111,119,108,101,100,103,101,32,98,117,116,32,105,109,97,103,105,110,97,116,105,111,110,46"

    // Demonstrate encoding/decoding comma-separated decimal integrs to/from binary.
    let binData = CkoBinData()!
    binData.appendEncoded(byteVals, encoding: "decList")

    // Examine the data in hex
    print("HEX: \(binData.getEncoded("hex")!)")

    // Decode to a StringBuilder
    let sb = CkoStringBuilder()!
    sb.appendBd(binData, charset: "us-ascii", offset: 0, numBytes: 0)

    // The bytes were actually the us-ascii char values for the string
    // "The true sign of intelligence is not knowledge but imagination."
    print("\(sb.getAsString()!)")

    // Now get the bytes in decimal list format again:
    print("\(binData.getEncoded("decList")!)")

    // The output of this example is:
    // HEX: 5468652074727565207369676E206F6620696E74656C6C6967656E6365206973206E6F74206B6E6F776C656467652062757420696D6167696E6174696F6E2E
    // The true sign of intelligence is not knowledge but imagination.
    // 84,104,101,32,116,114,117,101,32,115,105,103,110,32,111,102,32,105,110,116,101,108,108,105,103,101,110,99,101,32,105,115,32,110,111,116,32,107,110,111,119,108,101,100,103,101,32,98,117,116,32,105,109,97,103,105,110,97,116,105,111,110,46

}