Instagram-basic-display

What's Changed
* get_user_media Parameters fix by stolenvw in https://github.com/Salamek/instagram-basic-display-python/pull/11
* state parameter added to get_login_url by stolenvw in https://github.com/Salamek/instagram-basic-display-python/pull/12

New Contributors
* stolenvw made their first contribution in https://github.com/Salamek/instagram-basic-display-python/pull/11

**Full Changelog**: https://github.com/Salamek/instagram-basic-display-python/compare/1.1.2...1.2

* Corrects names of sending parameters for requesting auth token from Instagram (https://developers.facebook.com/docs/instagram-basic-display-api/reference/oauth-access-token#creating)

* Adds PHPDoc
* Adds ext-json to Composer
* Adds info about PHP 5.6 support

Update minimum required PHP version.

Updates `getLoginUrl()` to use `app_id` instead of `client_id`

Fixes issue with `_appSecret` variable name not correctly set.