/**
 * Computes a numerical signature of a string.  It just sums up the charCodes of all the characters of the input string.
 * @param{String} ofString  The string to calculate.
 */
function getSpeedySignature (ofString) {
	var sum
		,len
		,i;

	sum = 0;
	len = ofString.length;

	for (i = 0; i < len; i++) {
		sum += ofString.charCodeAt(i);
	}

	return sum;
}