## 0.1.0
  - Plugin created with the logstash plugin generator
## 0.1.1 
  - Added target field for output
## 0.1.2 
  - Added user-agent  
## 0.1.3 
  - Removed unused dependencies  
## 0.1.4
  - Updated key check for len
## 0.1.5
  - Fixed nil key error