* Add rpc endpoint to return the state of multiple accounts from the same bank * Add docs * Review comments: Dedupe account code, default to base64, add max const * Add get_multiple_accounts to rpc-client
* Add rpc endpoint to return the state of multiple accounts from the same bank * Add docs * Review comments: Dedupe account code, default to base64, add max const * Add get_multiple_accounts to rpc-client