Updated package.json and made cluster available

clusterserver.js

@@ -0,0 +1,20 @@
+//A plugin to manage our cluster, e.g. multiple running instances of same server
+var clusterMaster = require("cluster-master");
+
+var options = { 
+    exec: "./server.js",
+    size: require('os').cpus().length, //How many do we want?
+    silent: false, //Stout for each process to the master
+    signals: false, //Bind system signals SIGINT, SIGKILL...
+    onMessage: function (msg) {
+      console.error("Message from %s %j", this.uniqueID, msg)
+    }
+}
+
+//Start up the cluster
+clusterMaster(options);
+
+//About to exit the master process, kill the cluster
+process.on('exit', function() {
+    clusterMaster.quit();
+});

package.json

@@ -20,17 +20,18 @@
     }
   ],
   "dependencies": {
-    "request": "2.11.x",
-    "jquery": "1.8.x",
-    "scraper": "0.0.9",
-    "moment": "2.0.0",
-    "file": "0.1.x",
-    "xml2js": "0.2.x",
-    "mocha": "~1.8.2",
-    "cheerio": "0.10.x",
+    "file": "~0.2.1",
     "isn2wgs": "0.0.1",
     "underscore": "~1.5.1",
-    "express": "~3.3.8"
+    "moment": "~2.1.0",
+    "xml2js": "~0.2.8",
+    "express": "~3.3.8",
+    "cheerio": "~0.12.2",
+    "request": "~2.27.0",
+    "mocha": "~1.12.1",
+    "scraper": "0.0.9",
+    "jquery": "~1.8.3",
+    "cluster-master": "~0.1.2"
   },
   "scripts": {
     "test": "node_modules/mocha/bin/mocha test/integration"