Notable changes

• REST API:
  • Cache silo requests for 5m by default, 60m for Instagram because they aggressively blocking scraping. You can skip the cache with the new cache=false query param.
• Facebook:
  • Upgrade from API v2.2 to v2.6. https://developers.facebook.com/docs/apps/changelog
  • Add reaction support.
  • De-dupe event RSVPs by user.
• Twitter:
  • Switch create() to use brevity for counting characters. https://github.com/kylewm/brevity
  • Fix bug in create() that occasionally incorrectly escaped ., +, and - characters.
  • Fix text rendering bug when there are multipl photos/videos.
  • When replying to yourself, don't add a self @-mention.
• Instagram:
  • Fix bugs in scraping.
• Upgrade to requests 2.10.0 and requests-toolbelt 0.60, which support App Engine.