add custom issuer

Adding support to laravel 8.x

Adding support to laravel 8.x

Merge pull request #1 from Arkanius/patch-1

Adding support to laravel 7.x

Update composer.json

Update BaseMiddleware.php

Update GetUserFromToken.php

Only blacklist once (tymondesigns#1775)

* Don't reset blacklist expiration time

* Allow calling get method when testing blacklist

* fix and add new test

increase secret key length to 64

5.7 tests

update travis