instagram seems to have rolled out the `graphql` key everywhere now

main difference is the deprecated rel handling

closes #62

also expands parsing to be able to handle twitter JSON from the streaming API which is subtly different from the HTTP API.

closes #61

tells the editor to save data files with crlf needed for parsing the test http responses

closes #13

closes #51

closes #57

for #57

* adds test of instagram-atom feed with individual authors per item
* dedupes atom/rss title if it's a prefix of the content

if an item has multiple URL values, return the one that is on the same domain

Treats `https://example.com` and `https://example.com/` as equivalent when comparing URLs. Closes #33

closes #32

uses the video's poster frame as the photo if any of the multi-post images are videos

checkin data is returned embedded like author data rather than in the `refs` object

closes #35

closes #40

thanks to the new backcompat in php-mf2 0.3.2

closes #20

skip image alt text for now

closes #34

closes #36

they are part of the reposted object instead.

closes #27

closes #24

* closes #23
* major refactor of the methods for extracting properties to consolidate the logic
* hReview parsing is incomplete due to issues with the php-mf2 backcompat parsing. see https://github.com/indieweb/php-mf2/issues/107

closes #16

* closes #14
* updated readme with details of the response
* includes `url` and `code` in the response with the final URL after following redirects and the HTTP status code returned

apparently some people's profile URLs don't get t.co'd

:headdesk: