Fix URIPARAM to allow square brackets
Fix URIPARAM to allow square brackets

PHP uses these all the time.
tinglinux/logstash-kafka,opentable/logstash-kafka,tinglinux/logstash-kafka,joekiller/logstash-kafka,opentable/logstash-kafka,Aloomaio/logstash-kafka,Aloomaio/logstash-kafka,joekiller/logstash-kafka