Update requirements.txt

Update README.md

remove IP PlexStream class

use rclone config location when checking the config

add nzbget/sabnzbd pause/un-pause to notifications

add trigger information to exit code -9

add success return value to uploader.upload()

fix bad uploader.upload() return value

extend remote parsing to include more combinations

README: Bump minimum Python version.

add funding.yml

add parsing of remote types drive, union, crypt and chunker with SAs.

Fix issue #69 - Notification success when upload failed

Define upstream_remotes and catch the exception instead.

Merge pull request #118 from l3uddz/develop