update readme

Magento2/app/code/Werules/Chatbot/Block/Chatbox/Messenger.php

@@ -40,7 +40,7 @@ public function __construct(
         parent::__construct($context, $data);
     }
 
-    protected function getMessengerInstance()
+    private function getMessengerInstance()
     {
         $api_token = $this->_helper->getConfigValue('werules_chatbot_messenger/general/api_key');
         $messenger = $this->_chatbotAPI->initMessengerAPI($api_token);
@@ -101,12 +101,12 @@ public function isChatboxEnabled()
         return false;
     }
 
-    public function getConfigValue($code)
+    private function getConfigValue($code)
     {
         return $this->_helper->getConfigValue($code);
     }
 
-    public function setConfigValue($field, $value)
+    private function setConfigValue($field, $value)
     {
         $this->_helper->setConfigValue($field, $value);
     }

README.md

@@ -101,6 +101,7 @@ Go to **System > General Settings  > Chatbot Settings**
 ### Magento2
 - **v1.0.5:**
     - Add Promotional Messages
+    - Add Messenger Chatbox
 - **v1.0.4:**
     - Add Support command
     - Add option to list commands on Help Command
@@ -272,8 +273,7 @@ A: Thank you! You can help by codding more features, creating pull requests, or
     - Add compatibility with products with custom options
     - Add "abandoned cart" messages
     - Add `CDATA` and `<tooltip>` to configuration descriptions
-    - Add Promotional Messages
-    - Add Enable Facebook Messenger Box
+    - Add Referral Message
     - Add more options to filter clearing message queue
     - Add handler for other posts from Messenger