bug #593 Make JWTManager::$userIdClaim nullable (chalasr)
bug #593 Make JWTManager::$userIdClaim nullable (chalasr)

This PR was merged into the 2.x-dev branch.

Discussion
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Make JWTManager::$userIdClaim nullable

Fixes #590

Commits
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c1f857e Make JWTManager::$userIdClaim nullable

lexik/LexikJWTAuthenticationBundle,chalasr/LexikJWTAuthenticationBundle