Updating README that the response verification for read and derive

commands is complete

Author: JerryStiller

README.md

@@ -20,9 +20,9 @@ It is up to the crate user to send and receive the raw cktap APDU messages via N
 
 - [x] [status](https://github.com/coinkite/coinkite-tap-proto/blob/master/docs/protocol.md#status)
 - [x] [read](https://github.com/coinkite/coinkite-tap-proto/blob/master/docs/protocol.md#status) (messages)
-  - [ ] response verification
+  - [x] response verification
 - [x] [derive](https://github.com/coinkite/coinkite-tap-proto/blob/master/docs/protocol.md#derive) (messages)
-  - [ ] response verification
+  - [x] response verification
 - [x] [certs](https://github.com/coinkite/coinkite-tap-proto/blob/master/docs/protocol.md#certs)
 - [x] [new](https://github.com/coinkite/coinkite-tap-proto/blob/master/docs/protocol.md#new)
 - [x] [nfc](https://github.com/coinkite/coinkite-tap-proto/blob/master/docs/protocol.md#nfc)