Upgrade dependencies (#115)

Author: cone56

package.json

@@ -9,9 +9,9 @@
     "Readme.md"
   ],
   "dependencies": {
-    "inherits": "^2.0.1",
-    "source-map": "^0.1.38",
-    "source-map-resolve": "^0.5.1",
+    "inherits": "^2.0.3",
+    "source-map": "^0.6.1",
+    "source-map-resolve": "^0.5.2",
     "urix": "^0.1.0"
   },
   "devDependencies": {