Move all source files into 'src' folder.

src/cache.js

@@ -0,0 +1,37 @@
+var apps = {};
+var stats = {};
+var isLoaded = false;
+var users = {};
+
+function getApp(app, callback) {
+  if (apps[app]) return callback(true, apps[app]);
+  return callback(false);
+}
+
+function updateStat(key, value) {
+  stats[key] = value;
+}
+
+function getUser(sessionToken) {
+  if (users[sessionToken]) return users[sessionToken];
+  return undefined;
+}
+
+function setUser(sessionToken, userObject) {
+  users[sessionToken] = userObject;
+}
+
+function clearUser(sessionToken) {
+  delete users[sessionToken];
+}
+
+module.exports = {
+  apps: apps,
+  stats: stats,
+  isLoaded: isLoaded,
+  getApp: getApp,
+  updateStat: updateStat,
+  clearUser: clearUser,
+  getUser: getUser,
+  setUser: setUser
+};