Allow Symfony 4

[tacman]

No description provided.

[clue]

@tacman Thanks for taking a look at this. It looks like this changeset is missing an update to the composer.lock file. Do you plan to update this?

[tacman]

Likely easier/better if you do that, since I just made the modification directly in github (rather than forking and doing a changeset of multiple files).

…

On Mon, Aug 5, 2019 at 8:25 AM Christian Lück ***@***.***> wrote: ***@***.**** requested changes on this pull request. @tacman <https://github.com/tacman> Thanks for taking a look at this. It looks like this changeset is missing an update to the composer.lock file. Do you plan to update this? — You are receiving this because you were mentioned. Reply to this email directly, view it on GitHub <#46?email_source=notifications&email_token=AAEXIQNPFBYGER2KJN5SEW3QDAL23A5CNFSM4IIFQJTKYY3PNVWWK3TUL52HS4DFWFIHK3DMKJSXC5LFON2FEZLWNFSXPKTDN5WW2ZLOORPWSZGOCARQYJY#pullrequestreview-270732327>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AAEXIQPNKKSYI534RAVJAKLQDAL23ANCNFSM4IIFQJTA> .

[clue]

Thanks, will take a look at this when time permits 👍