Changes for version 0.003 - 2017-10-11
- fix error handling at the user agent level (thanks Colin Magee)
 - fix spelling errors
 
Modules
Implements mailboxlayer.com's REST API, which a simple REST API measuring email deliverability and quality.    
  
Encapsulates an error response from mailboxlayer.com's REST API.    
  
Encapsulates a response from mailboxlayer.com's REST API.