Add ome documentation comments and update the Readme for Bot API 3.2

Author: Eleirbag89

README.md

@@ -1,5 +1,5 @@
 # TelegramBotPHP
-[![API](https://img.shields.io/badge/Telegram%20Bot%20API-June%2030%2C%202017-36ade1.svg)](https://core.telegram.org/bots/api)
+[![API](https://img.shields.io/badge/Telegram%20Bot%20API-July%2021%2C%202017-36ade1.svg)](https://core.telegram.org/bots/api)
 ![PHP](https://img.shields.io/badge/php-%3E%3D5.3-8892bf.svg)
 ![CURL](https://img.shields.io/badge/cURL-required-green.svg)
 
@@ -8,7 +8,7 @@
 [![StyleCI](https://styleci.io/repos/38492095/shield?branch=master)](https://styleci.io/repos/38492095)
 
 > A very simple PHP [Telegram Bot API](https://core.telegram.org/bots) for sending messages.    
-> (Almost) Compliant with the June 30, 2017 Telegram Bot API update.
+> (Almost) Compliant with the July 21, 2017 Telegram Bot API update.
 
 Requirements
 ---------

Telegram.php

@@ -791,6 +791,8 @@ public function getFile($file_id)
 
         return $this->endpoint('getFile', $content);
     }
+    
+    /// Kick Chat Member
 
     /**
      * Use this method to kick a user from a group or a supergroup. In the case of supergroups, the user will not be able to return to the group on their own using invite links, etc., unless <a href="https://core.telegram.org/bots/api#unbanchatmember">unbanned</a> first. The bot must be an administrator in the group for this to work. Returns <em>True</em> on success.<br>
@@ -823,6 +825,8 @@ public function kickChatMember(array $content)
     {
         return $this->endpoint('kickChatMember', $content);
     }
+    
+    /// Leave Chat
 
     /**
      * Use this method for your bot to leave a group, supergroup or channel. Returns <em>True</em> on success.</p> <br/>Values inside $content:<br/>
@@ -847,6 +851,8 @@ public function leaveChat(array $content)
     {
         return $this->endpoint('leaveChat', $content);
     }
+    
+    /// Unban Chat Member
 
     /**
      * Use this method to unban a previously kicked user in a supergroup. The user will <strong>not</strong> return to the group automatically, but will be able to join via link, etc. The bot must be an administrator in the group for this to work. Returns <em>True</em> on success.<br/>Values inside $content:<br/>
@@ -877,6 +883,8 @@ public function unbanChatMember(array $content)
     {
         return $this->endpoint('unbanChatMember', $content);
     }
+    
+    /// Get Chat Information
 
     /**
      * Use this method to get up to date information about the chat (current name of the user for one-on-one conversations, current username of a user, group or channel, etc.). Returns a <a href="https://core.telegram.org/bots/api#chat">Chat</a> object on success.<br/>Values inside $content:<br/>