code: function(setting, value) {
                  if (!callbacks[setting]) return;
                  callbacks[setting].call(states[setting], value);
                  states[setting] = value;
              }
docs: @
  #Crafty.settings.modify
  @comp Crafty.settings
  @kind Method
  
  @sign public void Crafty.settings.modify(String settingName, * value)
  @param settingName - Name of the setting
  @param value - Value to set the setting to
  
  Modify settings through this method.
  
  @see Crafty.settings.register, Crafty.settings.get