Issue #28: Add error field in API error responses

Signed-off-by: Lucas Fernandes de Oliveira <lfo14@inf.ufpr.br>
1 job for issue/28 in 1 minute and 1 second (queued for 4 seconds)
Status Job ID Name Coverage
  Test
passed #15013
node postgres
run_tests

00:01:01

97.5%