Merge pull request #59 from someniatko/allow-psr-http-message-v2

support psr/http-message v2

Merge pull request #57 from relayphp/tighten-up-coding-standard

Tighten up Coding Standard

Test with all relevant PHP versions

Replace abandoned zendframework/zend-diactoros with same version lami…

…nas/laminas-diactoros

Update README for 2.x release

Merge pull request #37 from jakejohns/feature/builder

Feature/builder

udpate for release

update changes for release

add trailing newline

Merge pull request #9 from relayphp/add-reusable

Add ReusableRelay