README improvements
Update README.md
various improvements
Merge pull request #2 from HernanRivasAcosta/hernan.improvements

Hernan.improvements
adding the initial work
protocol improvements, added callbacks to the consumer
Merge pull request #3 from HernanRivasAcosta/hernan.kafka_consumer

Hernan.kafka consumer
merged from tigertext/kafkerl
Merge pull request #2 from HernanRivasAcosta/master

Adds the latests updates, including the consumer