Automated Upgrade Script

[johnnyq]

Hey Nice Work on this script!! Makes installing Mastodon easy.
An automated upgrade script would be awesome or one that you can run manually.

[techbitsio]

Hi - thanks! I'm glad other people are finding it useful, too.

I'm considering some upgrade functionality, but given the varying instructions for upgrading between different versions, might end up being more of a version from->to lookup.

Definitely planning it to some degree - if anyone has any thoughts, please add them here