Respond with 409 when FK errors

* API throws 409 error code when a  you are not allowed to delete queue
* due to DB constraints
Avoid printing to console stack trace

* when forbidden error code is thrown
Repaired filtering bug

* when multiple arguments were requested, only the first one was taken
* into consideration
Added 104 and 104R message types
Merge branch 'master' of https://github.com/FinTP/fintp_api