Merge pull request #13 from xedi/feat/attach_files

Added ability to add attachments to emails

Merge pull request #13 from xedi/feat/attach_files

Added ability to add attachments to emails

Updates guzzle (#11)

* Updates guzzle

* guzzle update

Co-authored-by: Th0rn0 <dev@th0rn0.co.uk>

Updated to Symfony 5 (#9)

[#security] Updated dependencies

Fixed ServerException issue

Added suppport for catching Guzzle ServerExceptions

Fixed breaking tests post GuzzleHttp\Guzzle update

Fixes #6 invalid endpoint issue (#7)

* Fixes #6 invalid endpoint issue

* Corrected exception handling. Uses Content-Type header vs Accept

* Fixed how Personalization object is built

* Fixed sniff violation

* Fixes recipients personalisation formatting

* Fixed how the ApiClient forms the requests

* Fixed test failures

[master] Composer Update