* allow settings to load domain and user settings
* ensure the engine is also enabled before attempting to create a new object
* add default values to stop undefined variable warnings
* enforce all models to set and return voices and languages
* enforce all models to set and return languages
* ensure speech_enabled is set by the current session
* create elevenlabs implementation of ai speech
* Update ai_elevenlabs.php
frytimo
FusionPBX