Update lambda_handler to return statusCode for API Gateway
Update lambda_handler to return statusCode for API Gateway

In order for the AWS API Gateway to record a “successful” response from
the Lambda Function, the the function must return a specifically
formatted response dictionary.  See:
http://docs.aws.amazon.com/apigateway/latest/developerguide/api-gateway-
set-up-simple-proxy.html

{
    "statusCode": httpStatusCode,
    "headers": { "headerName": "headerValue", ... },
    "body": "..."
}

cmlccie/smartsheet-dynamodb-sync