`set priority` appears broken
```
[wallet 431t1S]: set priority 2
Wallet password: 
[wallet 431t1S]: set
priority = 2 (normal)
[wallet 431t1S]: address
0  431t1SuHXJNE3U5GhqoGCw2t5XpAZRwyX2h3AfG5BKzkZuYWrVaEyyRdHGaXUMLhiCAc5mF5EaLN9cqie64a5PA3TXTiw3g  Primary address (used)
[wallet 431t1S]: transfer 431t1S 0.01
Wallet password: 
There is currently a 37 block backlog at that fee level. Is this okay?  (Y/Yes/N/No): n
Error: transaction cancelled.
```