Merge tag '0.2.3' into develop

- lazyloading images
- artist browsing
- better pagination
- fixed multiple warnings

api/funkwhale_api/__init__.py

 # -*- coding: utf-8 -*-
-__version__ = '0.2.2'
+__version__ = '0.2.3'
 __version_info__ = tuple([int(num) if num.isdigit() else num for num in __version__.replace('-', '.', 1).split('.')])