* don't broadcast to yourself
* todo
* Also listen for incoming streams
* send to a specific peer
* add godoc comment
* handle EOF as a normal thing
* gazelle
* add test for subscribing via direct comm
* first commit, remote att types
* no more agg attestation proto
* regen mock
* only attestations
* proto
* att process
* fix att references
* more tests passing
* use att protos
* complete
* change visibility
* use gogoprotobu