Nikolai Anohyn

To change AWS_XRAY_TRACING_NAME logic

4

According the code bellow I can't redefine name of trace if I set up AWS_XRAY_TRACING_NAME env. I think we should add in this condition: `&& name == ""` 

Resolving "Validating unexported fields #417"

2

## Add supporting for validation private fields https://github.com/go-playground/validator/issues/417 @go-playground/validator-maintainers

Mutex deadlock

1

In the function bellow next situation: we lock mutex seg.Lock() and realize it only after function is done. By the way seg.parent.RemoveSubsegment(seg) try to lock parent segment that already locked....