Nate

The [bodyEncoders](https://github.com/getkin/kin-openapi/blob/master/openapi3filter/req_resp_encoder.go#L21) map is not thread safe. If encoders are registered in parallel, [this line](https://github.com/getkin/kin-openapi/blob/672dc3233232be7cb1485f3b87bcae981693bd91/openapi3filter/req_resp_encoder.go#L32C2-L32C14) can cause a fatal "concurrent map writes" error. I discovered this due to having parallel...

Update echo params to be idiomatic

1

Note To Reviewer: I'm aware that you [don't usually want to change variable names in generated code](https://github.com/deepmap/oapi-codegen#contributing), but this particular change should not affect existing code, as interfaces don't need...