Merge pull request #21 from alchemy/fix_gopath_callerframe

Two fixes

github ci

Update to use chi v1.5.1 go mod

Fix go.mod; Update to chi v4.0.0

update travis config for recent versions of Go

Add Go modules; Update to github.com/go-chi/chi/v4

Fix RAML docgen imports and tests

Add RAML docgen

Add travis file