ianckc/CodeIgniter-Instagram-Library — pull request #10 by Kyotoweb (2013-02-16 14:54:58+00:00)
Title: The "action" parameter to modify a user relationship should be sent through POST data.

The "action" parameter to modify an user relationship should be passed in cUrl postdata, as described in Instagram API documentation. Made usage of the __apiCall method's second parameter.