fix: make ErrorBase always capture stack trace

[lukekarrys]

fix: allow HttpErrorBase to take headers object

[wraithgar]

headers.raw change will need a test and I'd love to know what cause that to be needed.

[lukekarrys]

Added a test for headers.raw. These errors are used in npm-profile and there's one spot there a headers object was given a raw function just to return the object like headers: { raw: () => er.headers }