characters_reserved_per_media is now 23

[ping]

According to https://api.twitter.com/1.1/help/configuration.json. This affects validation.py afaik.

{
  "characters_reserved_per_media": 23,
  "max_media_per_upload": 1,
  "non_username_paths": [
    "about",
    "account",
    "accounts",
    "activity",
    "all",
    "announcements",
    "anywhere",
    "api_rules",
    "api_terms",
    "apirules",
    "apps",
    "auth",
    "badges",
    "blog",
    "business",
    "buttons",
    "contacts",
    "devices",
    "direct_messages",
    "download",
    "downloads",
    "edit_announcements",
    "faq",
    "favorites",
    "find_sources",
    "find_users",
    "followers",
    "following",
    "friend_request",
    "friendrequest",
    "friends",
    "goodies",
    "help",
    "home",
    "i",
    "im_account",
    "inbox",
    "invitations",
    "invite",
    "jobs",
    "list",
    "login",
    "logo",
    "logout",
    "me",
    "mentions",
    "messages",
    "mockview",
    "newtwitter",
    "notifications",
    "nudge",
    "oauth",
    "phoenix_search",
    "positions",
    "privacy",
    "public_timeline",
    "related_tweets",
    "replies",
    "retweeted_of_mine",
    "retweets",
    "retweets_by_others",
    "rules",
    "saved_searches",
    "search",
    "sent",
    "sessions",
    "settings",
    "share",
    "signup",
    "signin",
    "similar_to",
    "statistics",
    "terms",
    "tos",
    "translate",
    "trends",
    "tweetbutton",
    "twttr",
    "update_discoverability",
    "users",
    "welcome",
    "who_to_follow",
    "widgets",
    "zendesk_auth",
    "media_signup"
  ],
  "photo_size_limit": 3145728,
  "photo_sizes": {
    "thumb": {
      "h": 150,
      "resize": "crop",
      "w": 150
    },
    "small": {
      "h": 480,
      "resize": "fit",
      "w": 340
    },
    "medium": {
      "h": 1200,
      "resize": "fit",
      "w": 600
    },
    "large": {
      "h": 2048,
      "resize": "fit",
      "w": 1024
    }
  },
  "short_url_length": 22,
  "short_url_length_https": 23
}