New commit 2.0:

- Added test file to gitignore
    - Created table of users with chat_ids(UserTable.sql)
    - Added check of empty table into get_last_id
    - Modified get_user to return a chat_id instead of username
    - Changed download function in ISwork to send URL instead

.gitignore

@@ -5,3 +5,4 @@
 .DS_Store
 .vscode/
 __pycache__/
+test.py