in src/common/utils.js [133:143]
function UUIDcreatePart (length) {
var uuidpart = '';
for (var i = 0; i < length; i++) {
var uuidchar = parseInt((Math.random() * 256), 10).toString(16);
if (uuidchar.length === 1) {
uuidchar = '0' + uuidchar;
}
uuidpart += uuidchar;
}
return uuidpart;
}