Improved error messagees, implemented delete ciphers, attachments and account, implemented two factor recovery.

Known missing:
 - import ciphers, create ciphers types other than login and card, update ciphers
 - clear and put device_tokens
 - Equivalent domains
 - Organizations

README.md

@@ -20,7 +20,7 @@ on other systems use their respective package managers.
 
 Then run:
 ```
-cargo run
+cargo run --bin bitwarden_rs
 # or
 cargo build
 ```