## 2.0.4
 - Fefactored field references, fixed specs and some cleanups

## 2.0.0
 - Plugins were updated to follow the new shutdown semantic, this mainly allows Logstash to instruct input plugins to terminate gracefully,
   instead of using Thread.raise on the plugins' threads. Ref: https://github.com/elastic/logstash/pull/3895
 - Dependency on logstash-core update to 2.0

## 2.0.1
  - Add ability to replace source with target

## 1.1.0
  - Add LRU cache