Only conditionally include 'card' and 'reprompt' in response.
Only conditionally include 'card' and 'reprompt' in response.

Was producing empty cards with only the prefix "SessionSpeechlet - " in
the title and text for every query.

ausweider/kodi-alexa,ta264/kodi-alexa,m0ngr31/kodi-alexa,digiltd/kodi-alexa,jingai/kodi-alexa