Move all RPC calls to single client that chooses WS/HTTP - #224

Move all RPC calls to single client that chooses WS/HTTP#224

peterbroadhurst wants to merge 4 commits into

mainhyperledger-firefly/evmconnect:mainfrom

ws-only-listenerhyperledger-firefly/evmconnect:ws-only-listenerCopy head branch name to clipboard