2.15.0

• Adds ChatterboxGetOptionSpeaker(), ChatterboxGetOptionSpeakerData(), and ChatterboxGetOptionSpeech()
• Adds ChatterboxVariableSetCallback(). This allows you to specify a function to call when a Chatterbox value is set
• Adds separate script for Chatterbox constants
• Evacuates global namespace so no more Chatterbox variables clogging up your global variable debug view