Traceability agent fails when receiving a single transaction from kong

[jcollins-axway]

If the Kong HTTP plugin is configured to only send a single transaction in each request then that transaction is sent as a KongTransaction object rather than a []KongTransaction array. The agent should be able to recognize that a single transaction is being sent rather than an array.

Either...

• Handle single transaction requests

or...

• Recognize that a single transaction was sent and log an error to ease the debugging

The latter may be preferred for higher throughput gateways as the Readme recommends setting the batch size, in the HTTP plugin, to 1000