2.4 plugin pattern, re: #301 refactored to use sinks.start_listening for better error handling, re: #306, closes #238
2.4 plugin pattern, re: #301
refactored to use sinks.start_listening for better error handling, re: #306, closes #238

cd334/hangoutsbot,jhonnyam123/hangoutsbot,makiftasova/hangoutsbot