GET /posts in most basic form
Add support for type param to posts_feed endpoint
Fix default sort column for posts_feed
Fix: posts always have a received_at
Build posts_feed query using sql
Fix relationship post to always have received_at
Fix meta and credentials types (include empty fragment)
Add support for fragment catch-all in posts_feed types param
Only query for type once if included in params more than once
Add basic support for posts_feed entities param
Add default limit to posts_feed (25)
Add support for limit param in posts_feed
Add basic support for mentions param in posts_feed
Fix: scope posts_feed query to current_user
Support multiple mentions params (posts_feed)
Fix received_at timestamp when creating post with published_at specified
Support sort_by param
Add better error response: relationship initialization
Fix bewit verification
Add since param to posts_feed