3.4.0
==================
* add parameter `ringtime` to voice node
* bump sms77-client to ^2.26.0
* bump node-fetch to ^2.7.0

3.3.0
==================
* use empty string for unset parameters
* fix wrong context when using multiple nodes of the same type
* bump sms77-client to ^2.25.0

3.2.0
==================
* add missing translations
* extend README
* add .npmignore
* add locale "de"
* bump sms77-client to ^2.14.0
* bump node-fetch to ^2.6.6
* fix response validation for sms

3.1.0
==================
* add lookup node

3.0.0
==================
* fixed nodes paths
* enable sending multiple text-to-speech calls
* prepared internationalization
* add option voice.json

2.0.0
==================
  * changed nodes naming style from PascalCase to kebab-case
  * added remaining request options for /sms and /voice