code: function normalize(id, dependencies) {
          id = id || "";
          var parent = id.split('/');
          parent.pop();
          return dependencies.map(function (dep) {
              if (dep[0] === '.') {
                  var parts = dep.split('/');
                  var current = parent.slice(0);
                  parts.forEach(function (part) {
                      if (part === '..') {
                          current.pop();
                      } else if (part !== '.') {
                          current.push(part);
                      }
                  });
                  return current.join('/');
              } else {
                  return dep;
              }
          });
      }
docs: WinJS/Core depends on ./Core/_Base should return WinJS/Core/_Base