♻️ Rewrite the port logic

🚨 Linting

📝 Remove some docblocks that did not add information

Remove deprecated target param

Tweak readme

Allow filters to return a new response or request

Fix Guzzle 5 mock, fixes jenssegers#22

Merge pull request jenssegers#16 from michaelbunch/master

Added missing parent folder for adapters.

Adding tests for set request and response filters

Improve readme