/**
	Convert text data to SHA-256 Hex code string.

		var hex = glesea.toSHA256('1234');

		// hex ==> '03ac674216f3e15c761ee1a5e255f067953623c8b388b4459e13f978d7c846f4'

	@method toSHA256
	@for glesea

	@param {String} text
	
	@return {String} hex code string
**/
glesea.toSHA256 = function(text) {
	var shaObj = new jsSHA('SHA-256', 'TEXT');
	shaObj.update(text);

	return shaObj.getHash('HEX');
};