Update dependencies & eslint

- update API-Docs link
- cast err as string to appease eslint
- update package and bump minimum to fix security issue
- removed unnecessary filters from gitignore

test/cases/setUsername.ts

@@ -1,5 +1,5 @@
 import fetch from "node-fetch";
-import { Done, getbaseURL, partialDeepEquals } from "../utils";
+import { Done, getbaseURL } from "../utils";
 import { db, privateDB } from "../../src/databases/databases";
 import { getHash } from "../../src/utils/getHash";
 import assert from "assert";