Parses an http Warning header into an object with code, agent, message and date
npm install warning-header-parserParses an http Warning header. https://tools.ietf.org/html/rfc7234#section-5.5
``javascript
var parse = require('warning-header-parser')
parse('199 agent "Error message" "2015-01-01"')
// returns
[{
code: '199',
agent: 'agent',
message: 'Error message',
date: '2015-01-01'
}]
// Supports comma delimited warnings
parse('199 agent "Error message" "2015", 299 agent2 "Error message 2 with \" quote" "2016"')
``