var semver = require("semver");
            var blocks = [{group:"", name:"", version:""},{group:"", name:"", version:""}]

            // sort by group ASC, name ASC, version DESC
            blocks.sort(function(a, b) {
                var nameA = a.group + a.name;
                var nameB = b.group + b.name;
                if (nameA === nameB) {
                    if (a.version === b.version)
                        return 0;
                    return (semver.gte(a.version, b.version)) ? -1 : 1;
                }
                return (nameA < nameB) ? -1 : 1;
            });