add developer and changelog section

README.md

@@ -5,16 +5,28 @@ Check [Online Demo](https://gasolin.github.io/huohubot/)
 
 ## Features
 
+* Chat bot works in your browser without setup a server
 * Tiny size (80 lines that contain the core with 3 plugins in init version) that easy to understand and suit for embed in any web site
 * Structure is inspired by [hubot](https://github.com/github/hubot/), which is a server side chatbot framework
   * Provide plugin architecture that able to expand functions
   * Regex based message matching
   * Plugin callbacks are extremely flexible, you can control in-page elements, execute local command, fetch remote data, trigger remote actions...
+  * can extend bot functionality by import addons
 
 
 ## How to Install
 
-Clone the project then include the huohubot.js in your html file with 2 extra tags:
+### Method 1
+
+If you just want to try how the bot looks like, Check [Online Demo](https://gasolin.github.io/huohubot/)
+
+### Method 2
+
+If you want to modify it locally, clone the project, then drag index.html to your browser, now you have a working bot!
+
+### Method 3
+
+If you want embed bot into your web site, clone the project then include the `huohubot.js` in your html file with 2 extra tags:
 
 ```html
 <div id="history"></div>
@@ -49,6 +61,38 @@ bot: Hello World!
 
 ![Imgur](http://i.imgur.com/Ljjf0Fw.png)
 
+## Developer
+
+Open browser's devtool and you can start manipulate `Huohubot` object.
+Plugins are located in `Huohubot.rules`, and that is the place all you need to deal with.
+
+### Make an addon
+
+You can extend Huohubot's functionality by import extra `huohubot-[addonName].js`:
+
+```js
+'use strict';
+if (!Huohubot) {
+  return
+}
+
+Huohubot.prototype.addonName = {
+  ...
+};
+```
+
+then include the js file after `huohubot.js`.
+
+```html
+...
+<script defer src="huohubot.js"></script>
+<script defer src="huohubot-addonName.js"></script>
+```
+
 ## License
 
 Huohubot use MIT License
+
+## ChangeLog
+
+* 0.1 2016/8/5 init version

huohubot.js

@@ -36,7 +36,6 @@ var HuohuBot = {
 
   onReceive: function() {
     var receiveMsg = this.message.value;
-    //console.log('receiveMsg:' + receiveMsg);
     this.chatHistory.push(this.myAlias + ': ' + receiveMsg);
     this.processListeners(receiveMsg);
   },