4.0.0 websocket ${project.artifactId} pom Higgs' WebSocket server and client implementation io.higgs higgs ../pom.xml 0.0.13 server client io.higgs core io.higgs http-s3 junit junit 4.8.2 com.fasterxml.jackson.core jackson-core 2.1.2 com.fasterxml.jackson.core jackson-databind 2.1.2