Bump deps

Author: recrsn

package.json

@@ -29,8 +29,8 @@
     "install": "node-pre-gyp install --fallback-to-build"
   },
   "dependencies": {
-    "nan": "2.6.2",
-    "node-pre-gyp": "0.6.36"
+    "nan": "2.8.0",
+    "node-pre-gyp": "0.6.39"
   },
   "devDependencies": {
     "nodeunit": "~0.9.1"