Updated all dependencies to latest versions. Specified engine as Node 4.2.1...

Updated all dependencies to latest versions. Specified engine as Node 4.2.1 and tested on Node 4.2.1.

package.json

@@ -7,19 +7,22 @@
     "start": "coffee index.coffee",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
+  "engines": {
+    "node": "4.2.1"
+  },
   "author": "Aral Balkan",
   "license": "AGPL-3.0",
   "dependencies": {
-    "coffee-script": "1.9.3",
-    "express": "4.11.2",
-    "forever": "0.14.1",
-    "path-extra": "0.3.0",
+    "coffee-script": "1.10.0",
+    "express": "4.13.3",
+    "forever": "0.15.1",
+    "path-extra": "2.0.0",
     "set": "git+https://source.ind.ie/project/set.git",
-    "thrush": "0.0.6",
-    "csv-parse" :"0.1.4",
-    "level-live-stream": "1.4.9",
-    "level-sublevel": "6.4.6",
-    "leveldown": "0.10.4",
-    "levelup": "0.19.0"
+    "thrush": "0.0.7",
+    "csv-parse" :"1.0.0",
+    "level-live-stream": "1.4.11",
+    "level-sublevel": "6.5.2",
+    "leveldown": "1.4.2",
+    "levelup": "1.2.1"
   }
 }