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public static void DownloadModpack(string url, string directory, ProgressBar loading)
        {
            string filename = RequestHandler.FormatUrlToFilename(url) + ".download";
            string parentDirectory = InternalFileManager.INSTANCE.QueryDirectoryPath(directory, true);

            // Open a WebStream that downloads the file chunks, and a filestream that writes the chunks to the file.
            using (HttpResponseMessage response = ClientInstance.GetAsync(url, HttpCompletionOption.ResponseContentRead).Result)
            using (Stream contentStream = response.Content.ReadAsStreamAsync().Result)
            using (FileStream fileStream = File.Create(Path.Combine(parentDirectory, filename)))
            {
                byte[] buffer = new byte[1024 * 3072];  // Sets the buffer (Amount of bytes read per iteration)
                
                // Request the the size in bytes for the file
                Logging.INSTANCE.LogAll("Requesting file size...", "DOWNLOADER");
                long.TryParse(response.Content.Headers.First(h => h.Key.Equals("Content-Length")).Value.First(), out long contentSize);
                Logging.INSTANCE.LogAll("File size: " + contentSize + " bytes", "DOWNLOADER");

                while (true)
                {
                    // Reads a chunk of bytes from the contentStream
                    var byteChunk = contentStream.ReadAsync(buffer, 0, buffer.Length).Result;
                    
                    // Write the chunk to the file and update the loading bar
                    fileStream.WriteAsync(buffer, 0, byteChunk);
                    loading.Value = (int) (fileStream.Length / (double) contentSize * 100.0D);
                    loading.Text = $@"Downloading... {loading.Value}%";
                    
                    if (byteChunk == 0) break; // If the chunk is empty, break.
                }
            }