What's Changed
* [feature] New state NotAvailable by tschulz in https://github.com/eyepop-ai/eyepop-sdk-node/pull/77
* in response to a 429 error, worker endpoint will report a new state
"NotAvailable"
* in this state, endpoint.lastMessage() will return a human readable message, describing the unavailability
**Full Changelog**: https://github.com/eyepop-ai/eyepop-sdk-node/compare/v1.5.7...v1.6.0