Should this be more of a sans-io project?

[mehaase]

This library intentionally doesn't do any I/O. It expects downstream libraries to add the I/O. But this isn't really a "Sans-IO" project in the sense that there are still aspects of the protocol that are ignored, such as the JSON RPC framing (especially multiplexing commands and handling errors). Should this project absorb some more responsibility to simplify downstream implementations?