Added CERT_FILE and KEY_FILE environment variables specifying path for an external SSL certificate and private key for enabling HTTPS.
Added pass-back object: if included in the request as passBackObject JSON object will be returned in response the same way.
Fixed issue with missing write to folder permissions for request logging on start-up.
Fixed issue with translating old-style API request capabilities value into scenario value.
Fixed issue with non-ASCII characters presented as escaped Unicode codes in UTF-8.
Fixed issue with date time format in /ping response.