This gem is a Logstash plugin that augments stream with WURFL device detection data and is required to be installed on top of the Logstash core pipeline using $LS_HOME/bin/logstash-plugin install gemname. This gem is not a stand-alone program. Please note that this plugin requires a running instance of WURFL Microservice (https://www.scientiamobile.com/products/wurfl-microservice)