We're trying to remove a circular dependency between the measurement Session and the tunnel package. To this end, continue to reduce the dependency scope by providing TorArgs and TorBinary directly. Part of https://github.com/ooni/probe/issues/985
Simplify interaction within the package by avoiding to have a tor specific config. Use a Config instead. Part of https://github.com/ooni/probe/issues/985.
Simplify interaction within the package by avoiding to have a psiphon specific config. Use a Config instead. Part of https://github.com/ooni/probe/issues/985.