code: function optionsFromStrings(options) {
  	var intOptions = ["width", "height", "textMargin", "fontSize", "margin", "marginTop", "marginBottom", "marginLeft", "marginRight"];
  
  	for (var intOption in intOptions) {
  		if (intOptions.hasOwnProperty(intOption)) {
  			intOption = intOptions[intOption];
  			if (typeof options[intOption] === "string") {
  				options[intOption] = parseInt(options[intOption], 10);
  			}
  		}
  	}
  
  	if (typeof options["displayValue"] === "string") {
  		options["displayValue"] = options["displayValue"] != "false";
  	}
  
  	return options;
  }
docs: Convert string to integers/booleans where it should be