Return validation errors in production mode

[emilcondrea]

Its useful to let the caller know why a specific request is invalid.

#1059

[QEDK]

Second this, not sure why it gets hidden in production, at the very least it should be a opt-in/out feature.

[emilcondrea]

Sharing my appreciation for the framework author, but this is an idealistic project but its not ready for production usage with safe & predictable behavior. Run into quite a bunch corner cases and ended up using a different framework which is battle tested for production.

[kravetsone]

Second this, not sure why it gets hidden in production, at the very least it should be a opt-in/out feature.

And u can show errors if u wants???