Initial post IDs are taken from the URL.
For each known post ID:
/posts/ID/edit- Contains title, body source and tags of post.
- If the post has been edited, it also contains the names, comments and IDs for each revision.
/posts/ID/comments- Contains the HTML text of the comments.
- May provide the userid/name of the asker, if he has commented. Use this to get more info from real API.