The method getHeadersArray doesn't follow $ref nodes

[michaelgwelch]

The getHeadersArray when looking at the path object doesn't resolve $ref nodes.

https://github.com/ErikWittern/openapi-snippet/blob/2e6c2c91859c56442f134ced22ef609e7b4b36cd/openapi-to-har.js#L385-L395

This is an easy fix as this is already done for path parameters and query parameters. I have a fix for this in #82 which I'm still working on.

See these two snippets for examples:

parseParametersToQuery:

https://github.com/ErikWittern/openapi-snippet/blob/2e6c2c91859c56442f134ced22ef609e7b4b36cd/openapi-to-har.js#L255-L271

getFullPath:

https://github.com/ErikWittern/openapi-snippet/blob/2e6c2c91859c56442f134ced22ef609e7b4b36cd/openapi-to-har.js#L335-L357

[michaelgwelch]

Resolved in #86