Only the last Set-Cookie header in response is being preserved.

[distributedlife]

I'm experiencing a situation where only the last set-cookie response header is being stored by mountebank. I'd love some advice on what to do in this situation. Happy to fork/PR if I know where to look.

If I curl the running webserver I get the following:

❯ curl -ik https://www.website.com/ws-api/v1/client/session
HTTP/1.1 200 OK
Server: nginx
Content-Type: application/json;charset=UTF-8
Content-Length: 115
Date: Wed, 20 Apr 2016 01:18:14 GMT
Connection: keep-alive
Set-Cookie: JSESSIONID=86752943865765SDSDFSD.APP4P; Path=/; Secure; HttpOnly
Set-Cookie: JSESSIONID=86752943865765SDSDFSD.APP4P; Path=/; HttpOnly
Set-Cookie: herpderp=1461115394~id=485273495872645634re23467; path=/

If I curl via mountebank I get the following

❯ curl -ik https://localhost:9002/ws-api/v1/client/session
HTTP/1.1 200 OK
Server: nginx
Content-Type: application/json;charset=UTF-8
Content-Length: 115
Date: Wed, 20 Apr 2016 01:18:18 GMT
Connection: close
Set-Cookie: herpderp=1461115394~id=485273495872645634re23467; path=/
Access-Control-Allow-Origin: https://localhost:8010