PHP 8 Support

• Support PHP 8

Release V4

• Drop PHP < 7.2
• Drop Laravel < 6

v3.0.0

Use Manager 3.0

v2.0.1: Merge pull request #6 from Bigwebmaster/master

Fix to correctly obtain the access token.

v2.0.0

Upgrade to Manager 2.0

v1.1.0

Fix authors array

0.1.2: Update composer.json

Removed unneeded dependencies