Fix zookeeper event watching, subscription, reconnection
Fix zookeeper event watching, subscription, reconnection

CrowdStrike/go_kafka_client,mistsys/go_kafka_client,elodina/go_kafka_client,stealthly/go_kafka_client,iobeam/go_kafka_client,CrowdStrike/go_kafka_client,iobeam/go_kafka_client,mistsys/go_kafka_client,stealthly/go_kafka_client,elodina/go_kafka_client,mistsys/go_kafka_client,iobeam/go_kafka_client