Instagram-private-api

- New check username endpoint ``check_username()``
- New comment likers endpoint ``comment_likers()``
- Better Python 3 compatibility

- Support album posting with ``post_album()``
- New stickers endpoint
- Internal refactoring

- New endpoints for app client
* ``suggested_broadcasts()``
* ``media_likers_chrono()``
- New method for web client: ``media_info2()`` that retrieves carousel media info
- Fixes for app api:
* ``feed_timeline()``
* ``broadcast_like_count()``
* pagination fixes for ``feed_location()``, ``username_feed()``, ``saved_feed()``, ``location_related()``, ``tag_related()``, ``media_likers()``, ``feed_popular()``
* compat patch: ``media()``
- Update app client version to 10.9.0

- New endpoints for app client
* ``top_search()``
- Fix param validation for ``broadcast_comments()``

- New live/broadcast endpoint functions for app client
* ``top_live_status()``
* ``broadcast_like()``
* ``broadcast_like_count()``
* ``broadcast_comments()``
* ``broadcast_heartbeat_and_viewercount()``
* ``broadcast_comment()``

- New shortcut functions for app client
* ``self_feed()``
* ``post_photo_story()``
* ``post_video_story()``
- Add more validation to ``post_video()``