Fail if we hit an unknown API type (i.e. not an AMQP exchange API or an HTTP API)
Fail if we hit an unknown API type (i.e. not an AMQP exchange API or an HTTP API)

petemoore/taskcluster-client-go,taskcluster/taskcluster-client-go,taskcluster/taskcluster-client-go,petemoore/taskcluster-client-go