Adding new query handler

src/database/query.ts

@@ -1,6 +1,5 @@
 import { Database, Change, ChangeTypes } from "./database";
-import { resNull, LevelDB } from "../storage";
-import { LevelUpChain } from "levelup";
+import { resNull } from "../storage";
 import shortid = require("shortid");
 import Logging from "@hibas123/nodelogging";
 import * as MSGPack from "what-the-pack";