Invalid and nonexistent IDs should be client errors

[olorin]

[solorin@ci.ap-southeast-2.borisclient]$ boris status 60000
Unhandled response from server: Status {statusCode = 500, statusMessage = "Internal Server Error"}

Not important, just nice to know when the breakage is my own (the client's) fault and when it's not.

[markhibberd]

Related #25

Agree it should be fixed, just haven't had the cycles. It isn't that hard either.

[olorin]

Thanks, missed the dupe.