Use in memory database by default

defaultDbOptions.json

@@ -1,6 +1,7 @@
 {
-  "connection": { "filename": "./remotedev-db.sqlite3" },
   "client": "sqlite3",
+  "connection": { "filename": ":memory:" },
+  "pool": { "refreshIdle": false, "min": 1, "max": 1 },
   "debug": false,
   "migrate": true
 }

lib/db/connector.js

@@ -23,5 +23,5 @@ module.exports = function connector(options) {
       console.error(error);
     });
 
-  return knexModule(dbOptions);
+  return knex;
 };