                 formattedDate = dateFormatter.stringFromDate(logDetails.date)
             }
 
-            extendedDetails += "\(formattedDate) "
+            extendedDetails.appendContentsOf(formattedDate + " ")
         }
 
         if showLogLevel {

        var buildString = ""
        if let infoDictionary = NSBundle.mainBundle().infoDictionary {
            if let CFBundleShortVersionString = infoDictionary["CFBundleShortVersionString"] as? String {
                buildString = "Version: \(CFBundleShortVersionString) "
            }
            if let CFBundleVersion = infoDictionary["CFBundleVersion"] as? String {
                buildString += "Build: \(CFBundleVersion) "
            }
        }

        let processInfo: NSProcessInfo = NSProcessInfo.processInfo()
        let XCGLoggerVersionNumber = XCGLogger.Constants.versionString

        let logDetails: Array<XCGLogDetails> = [XCGLogDetails(logLevel: .Info, date: date, logMessage: "\(processInfo.processName) \(buildString)PID: \(processInfo.processIdentifier)", functionName: "", fileName: "", lineNumber: 0),
            XCGLogDetails(logLevel: .Info, date: date, logMessage: "XCGLogger Version: \(XCGLoggerVersionNumber) - LogLevel: \(outputLogLevel)", functionName: "", fileName: "", lineNumber: 0)]

        for logDestination in (selectedLogDestination != nil ? [selectedLogDestination!] : logDestinations) {
            for logDetail in logDetails {

        }

        if showFunctionName {
            extendedDetails.appendContentsOf(logDetails.functionName + " ")
        }

        extendedDetails.appendContentsOf("> " + logDetails.logMessage)

        output(logDetails, text: extendedDetails)
    }

    public func processInternalLogDetails(logDetails: XCGLogDetails) {
