Merge pull request #19 from kirjs/greenkeeper-should-11.1.0

Update should to version 11.1.0 🚀

Author: kirjs

package.json

@@ -38,7 +38,7 @@
     "istanbul-coveralls": "^1.0.1",
     "mocha": "*",
     "mocha-lcov-reporter": "*",
-    "should": "^4.0.4"
+    "should": "^11.1.0"
   },
   "engines": {
     "node": ">=0.9.0",