version bump and added contributor

Author: shannon

package.json

@@ -1,6 +1,6 @@
 {
   "name": "socket.io-adapter-mongo",
-  "version": "0.1.2",
+  "version": "0.1.3",
   "description": "",
   "scripts": {
     "test": "mocha"
@@ -32,6 +32,10 @@
     {
       "name": "Shannon Poole",
       "email": "[email protected]"
+    },
+    {
+      "name": "Isaac Johnson",
+      "email": "[email protected]"
     }
   ]
 }