renamed exception
- remodelling response handling
- match service request only by DOMAIN.SERVICE
use name
- handle fatal errors
- tested error handling + adjustments
updated error handling
requires simplon/error
use simplon/error v0.1.*
fixed triggering error
handle not existing service
- added helper to overcome nginx's issue with adding headers when http response code is 4xx/5xx
- service returns result instead of printing it directly
wrappers don't return