Falk

### Feature Request | Q | A |------------ | ------ | New Feature | yes | RFC | not sure | BC Break | no #### Summary I'm missing the...

Zend\Http\Headers::addHeaderLine() doesn't check MultipleHeaderInterface

1

- [X] I was not able to find an [open](https://github.com/zendframework/zend-http/issues?q=is%3Aopen) or [closed](https://github.com/zendframework/zend-http/issues?q=is%3Aclosed) issue matching what I'm seeing. - [X] This is not a question. (Questions should be asked on [chat](https://zendframework.slack.com/)...

Fix mvc bootrapping

10

| Q | A |-------------- | ------ | Documentation | yes | Bugfix | yes | BC Break | no | New Feature | yes | RFC | yes/no |...