fix bearer

bearer->Bearer

Merge pull request FriendsOfSymfony#105 from SebScoFr/master

Fixing HTTP status code definition

Merge pull request FriendsOfSymfony#103 from Nyholm/patch-1

Support for Symfony 4

Merge pull request FriendsOfSymfony#79 from kralos/jwt

Merge pull request FriendsOfSymfony#88 from luispabon/http-foundation-3

Allow Symfony HTTPFoundation 3.0

New release including:

- better scope handling
- introduced PSR-4

bumped up development branch version

Merge pull request FriendsOfSymfony#40 from FriendsOfSymfony/hotfix/g…

…rants-scope-validation-fix

Fixed possible scope validation error...

Merge pull request FriendsOfSymfony#38 from patrickli/default_scopes

Use null as the default supported_scopes value.