Release notes:
- Handle IOException cases when parsing fails during response streaming
- Consistently handle non-json responses and empty responses
- Make Abugida fuzzer expect both 4xx and 2xx as not all services might proper sanitize data
- Make fields totally skippable for fuzzing using a !field syntax
- Fix issue with data generator that was not considering the fully qualified name
- Add new generator for cardholdername
- Check that --server is a valid URL in all commands
- Improve error reporting for FunctionalFuzzer and SecurityFuzzer for cases when custom file was empty or required keywords were not present