Move CliNonceError into client crate

client/src/lib.rs

@@ -4,6 +4,7 @@ extern crate serde_derive;
 pub mod client_error;
 pub mod http_sender;
 pub mod mock_sender;
+pub mod nonce_utils;
 pub mod perf_utils;
 pub mod pubsub_client;
 pub mod rpc_client;