* implement broadcast_duplicate_vote endpoint * fix test_cover * address comments * address comments * Update abci/example/kvstore/persistent_kvstore.go Co-Authored-By: mossid <torecursedivine@gmail.com> * Update rpc/client/main_test.go Co-Authored-By: mossid <torecursedivine@gmail.com> * address comments in progress * reformat the code * make linter happy * make tests pass * replace BroadcastDuplicateVote with BroadcastEvidence * fix test * fix endpoint name * improve doc * fix TestBroadcastEvidenceDuplicateVote * Update rpc/core/evidence.go Co-Authored-By: Thane Thomson <connect@thanethomson.com> * add changelog entry * fix TestBroadcastEvidenceDuplicateVote