boolean isNewer(String newVersion, String installedVersion) {
		if (newVersion.contains("-SNAPSHOT")) {
			return true;
		}
		installedVersion = installedVersion.replaceAll("\\(.*\\)", "").trim();
		newVersion = newVersion.replaceAll("\\(.*\\)", "").trim();
		return new VersionNumber(newVersion).compareTo(new VersionNumber(installedVersion)) > 0;
	}
Agent Update handler.

@param agentConfig agentConfig
@param message     AgentUpdateGrinderMessage
ngrinder-core/src/main/java/net/grinder/AgentUpdateHandler.java