Widen type of guzzle response promise parameter (#107)

Allow Symfony 7 (#99)

Thanks!

Fix/types (#96)

Merge pull request #89 from mvdbos/feature/docs

Update README with #88 fix

Merge pull request #83 from DmitrySidorenkoShim/master

Updated to support also Symfony 6.

Merge pull request #80 from mvdbos/feature/more-coverage

Feature/more coverage

Merge pull request #75 from mvdbos/feature/syntax-update

Feature/syntax update

Merge pull request #73 from mvdbos/feature/php8-update

Support PHP8 and update deps

Merge pull request #71 from SpeksForks/master

Allowing guzzle 7

Merge pull request #70 from SpekBin/master

Migrating from PSR-0 to PSR-4 autoloading