simple gist thing for unity/c#

Gist.cs

using UnityEngine;
using System.Collections;
using System.Collections.Generic;

using System;
using System.Text;

namespace MakeGist
{
    public class Gist
    {
        public static IEnumerator Make(string description,
                                       Dictionary<string, string> files,
                                       Action<string> onComplete)
        {
            var fileString = new StringBuilder();

            fileString.AppendLine("{");

            bool first = true;

            foreach (var file in files)
            {
                if (!first) fileString.AppendLine(",");                        

                fileString.AppendFormat("\"{0}\": {{ \"content\": \"{1}\" }}", 
                                        file.Key, 
                                        file.Value);

                if (first) first = false;
            }

            fileString.AppendLine();
            fileString.AppendLine("}");

            var encoding = new UTF8Encoding();
            var json = @"{
                            ""description"":""" + description + @""",
                            ""public"":true,
                            ""files"": " + fileString.ToString() + @"
                         }";

            var request = new WWW("https://api.github.com/gists", 
                                  encoding.GetBytes(json));

            yield return request;

            var response = SimpleJSON.JSON.Parse(request.text);

            onComplete(response["id"]);
        }

        public static IEnumerator Take(string id, 
                                       Action<Dictionary<string, string>> onComplete)
        {
            var files = new Dictionary<string, string>();
            var request = new WWW("https://api.github.com/gists/" + id);

            yield return request;

            var response = SimpleJSON.JSON.Parse(request.text);

            foreach (string file in response["files"].Keys)
            {
                files.Add(file, response["files"][file]["content"]);
            }

            onComplete(files);
        }
    }
}