removes trailing comma from JSON object
removes trailing comma from JSON object
json-api/json-api,json-api/json-api,RavelLaw/json-api,RavelLaw/json-api,jamesdixon/json-api,beauby/json-api,beauby/json-api,json-api/json-api,beauby/json-api,jamesdixon/json-api,json-api/json-api,json-api/json-api,RavelLaw/json-api,RavelLaw/json-api,RavelLaw/json-api,jamesdixon/json-api