fix(package): update check-types to version 11.1.2

Closes #31

Author: greenkeeper[bot]

package.json

@@ -33,7 +33,7 @@
   ],
   "dependencies": {
     "async": "^2.1.5",
-    "check-types": "^7.1.5",
+    "check-types": "^11.1.2",
     "commander": "^2.9.0",
     "escomplex": "2.0.0-alpha",
     "esprima": "^3.1.3"