Merge pull request #83 from tomasliubinas/clientip-header-fix

Fix failing test by initializing default header values for ClientIp middleware

Merge pull request #81 from mlambley/master

Filter list of acceptable headers; use default if the client accepts everything

updated readme

fixed override option

added documentation to includeResponse

added link to the psr-15 version

Merge pull request #38 from Moln/hotfix

Fix cache (using micheh/psr7-cache:^0.5.0)

added statusCode callable to ErrorHandler

https: set the max-age header before the next middleware

supported more methods in payload