Merge pull request oscarotero#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

sensiolab fix

inverted formatNegotiator::addFormat() arguments for backward compati…

…bility

fixed saveResponse and readResponse with paths with unicode chars

code styles

reenabled geolocate test

Merge pull request oscarotero#26 from adear11/setPortAsIntegerNotString

Don't pass withPort a string. Should be set with an integer