Post List: Add ability to filter by Pending

[aerych]

We've had a few requests along these lines, the latest being:
https://twitter.com/paulhelmick/status/675369130732756996

Seems reasonable, and its an option present in wp-admin. Only blocker I can think of would be limited API support.

[dangermattic]

Thanks for reporting! 👍

[jkmassel]

We're doing this as part of the work on Custom Post Types.