Updated links from org to io inside README [ci skip]

Author: vimishor

README.md

@@ -16,7 +16,7 @@ Simple Bitbucket API wrapper for PHP >= 5.3.2.
 
 ## Getting started
 
-Read [Introduction](http://gentlero.bitbucket.org/bitbucket-api/#introduction) and [Installation](http://gentlero.bitbucket.org/bitbucket-api/installation.html) from the documentation.
+Read [Introduction](https://gentlero.bitbucket.io/bitbucket-api/#introduction) and [Installation](https://gentlero.bitbucket.io/bitbucket-api/installation.html) from the documentation.
 
 ## Documentation