Zinc-intercepting nock port for Pharo.

Herby Vojčík d62656983e Mocked reponse headers manipulation added. %!s(int64=8) %!d(string=hai) anos
src d62656983e Mocked reponse headers manipulation added. %!s(int64=8) %!d(string=hai) anos
LICENSE 2a4fc7560d License: MIT %!s(int64=8) %!d(string=hai) anos