Fix fatal error in examples caused by ClientRepositoryInterface change

Allow CryptTrait to accept a \Defuse\Crypto\Key as encryption key #812

Add new event types: access_token_issued and refresh_token_issued.

Removed Yoda condition from code base

Unifies how we fetch the client_id from the request and allows us to throw a more appropriate exception when the client_id parameter is missing.

Improves the test method for this validation by checking the culpable method in this particular case. The test was missing this by calling the wrong method.

Add removal of paragone/random_compat to changelog

Removing paragonie/random_compat as no longer supporting PHP 5.x branches

Version 7

Fix PKCE implementation with strict verifications

Apply fixes from StyleCI

Updated dependencies, more strict static analysis

Update PHPUnit, run static analysis on tests

This reverts commit 7a5c5118.

Make ClientRepositoryInterface more flexible

Fixed docblock opener

It's important for tools relying on docblock types to perform static analysis (think phan, phpstan, psalm, etc)

Getter and setter for the payload and ability to pass options to json_encode