fix: no longer active on extiverse.com

Merge pull request #2 from imorland/patch-1

Allow PHP 8.*, guzzle 7.5.*

allow more guzzle versions

Merge pull request #1 from glowingblue/fix-dependencies

Fixed issue with `psr7` versions that could prevent installing this package in a naked flarum instance

support packages download in client

fix type hinting in extiverse client

added ability to read core

sort and return array

downgraded to 6.x illuminate