abhinemani

/**
 * 
 *	This function takes a list of words and a specified text and returns the frequency of each word.  
 *	The program processes in timed chunks as to not lock the browser up
 *
 *	@param {Array} words This is the list of words to match against
 *	@param {String} text This is the text to match
 *	@param {Function} This is the callback function
 *
 * TODO: