Update README links to HTTPS

Author: coffee2code

README.md

@@ -1,15 +1,15 @@
 # WP Parser
 
-WP-Parser is the parser for creating the new code reference at [developer.wordpress.org](http://developer.wordpress.org/reference). It parses the inline documentation and produces custom post type entries in WordPress.
+WP-Parser is the parser for creating the new code reference at [developer.wordpress.org](https://developer.wordpress.org/reference). It parses the inline documentation and produces custom post type entries in WordPress.
 
 We are currently looking for contributors to help us complete the work on the parser.
 
-There is a guide to developing for developer.wordpress.org in the [WordPress documentation handbook](http://make.wordpress.org/docs/handbook/projects/devhub/)
+There is a guide to developing for developer.wordpress.org in the [WordPress documentation handbook](https://make.wordpress.org/docs/handbook/projects/devhub/)
 
 ## Requirements
 * PHP 5.4+
 * [Composer](https://getcomposer.org/)
-* [WP CLI](http://wp-cli.org/)
+* [WP CLI](https://wp-cli.org/)
 
 Clone the repository into your WordPress plugins directory: