JSON_Loader now handles key fetching safely (if we want)

src/loaders/JSON_Loader.h

@@ -28,5 +28,9 @@ public:
     // return as a JSONCPP serialized object
     Json::Value as_serialized();
     std::string as_string();
+
+    // safely handle key retrieval (if we want it to be safe)
+    // next iter should be:
+    int JSON_Loader::get_key( Json::Value &input, std::string key, bool verbose, bool safety);
 };
 #endif //FTESTS_JLOADER_H