chore(package): respect semver range of babel-generator

Author: twada

package.json

@@ -16,14 +16,14 @@
   ],
   "dependencies": {
     "array-find": "^1.0.0",
-    "babel-generator": "^6.0.12",
+    "babel-generator": "^6.1.0",
     "define-properties": "^1.1.2",
     "escallmatch": "^1.4.2",
     "espower": "^1.2.1",
     "xtend": "^4.0.0"
   },
   "devDependencies": {
-    "babel-core": "^6.0.10",
+    "babel-core": "^6.1.0",
     "babel-preset-es2015": "^6.1.2",
     "babel-preset-stage-3": "^6.1.2",
     "mocha": "^2.2.4"