Modify the inner workings of Crafty through the settings.
public void Crafty.settings.register(String settingName, Function callback)
Use this to register custom settings. Callback will be executed when Crafty.settings.modify is used.
public void Crafty.settings.modify(String settingName, * value)
Modify settings through this method.
public * Crafty.settings.get(String settingName)
Returns the current value of the setting.