update comments

satisfy producer that changelog is up to date

update copyright years

rename to CHANGELOG

rename license file

Merge pull request #6 from jakejohns/feature/non-http

Remove PSR-7

Merge pull request #4 from jakejohns/feature/interface

Rm unused PSR7 interace use statements from Action

update changes for release

add docblocks

update for release

add changes file

throw exception when Responder cannot be resolved

consolidate logic