Merge pull request #21 from msgflo/greenkeeper/fbp-spec-0.6.6

chore(package): update fbp-spec to version 0.6.6

Author: bergie

package.json

@@ -25,7 +25,7 @@
   },
   "devDependencies": {
     "chai": "^4.0.2",
-    "fbp-spec": "^0.5.0",
+    "fbp-spec": "^0.6.6",
     "mocha": "^5.0.0"
   }
 }