v3.1.0: Version 3
* NetFlow v5 * Change of protobuf: * Improved naming * Remove deprecated * Kafka improvements (send by key) * Cleanup and refactoring: * GoFlow + lite versions (only sFlow, IPFIX/NFv9 or NFv5) * Better formatter for output * Improved APIs for development and error handling * Tests! * Comparison table (mapping) in the README * Go mod * Travis CI integration