Update README.md

README.md

@@ -7,6 +7,21 @@
 The waybackpy is a python wrapper for [Internet Archive](https://en.wikipedia.org/wiki/Internet_Archive)
 's [Wayback Machine](https://en.wikipedia.org/wiki/Wayback_Machine).
 
+Table of contents
+=================
+<!--ts-->
+   * [Installation](#installation)
+   * [Usage](#usage)
+      * [Capturing/Saving an url/website. Using save().](#capturingsaving-an-urlwebsite-using-save)
+      * [Receiving the oldest archive for an URL. Using oldest().](#receiving-the-oldest-archive-for-an-url-using-oldest)
+      * [Receiving the recent most/newest archive for an URL. Using newest().](#receiving-the-recent-mostnewest-archive-for-an-url-using-newest)
+      * [Receiving archive close to a specified year, month, day, hour, and minute! Using near().](#receiving-archive-close-to-a-specified-year-month-day-hour-and-minute-using-near)
+      * [Get the content of webpage using get().](#get-the-content-of-webpage-using-get)
+   * [Tests](#tests)
+   * [Dependency](#dependency)
+   * [License](#license)
+<!--te-->
+
 ## Installation
 Using [pip](https://en.wikipedia.org/wiki/Pip_(package_manager)):
 
@@ -168,6 +183,9 @@ print(webpage)
 </p>
 </details>
 
+## Dependency
+* None, just python standard libraies. Both python 2 and 3 are supported. :)
+
 
 ## License