Tikup

Thanks to cardoso-neto for this update!

Features:
-Prettier code
-requirements.txt and argparser.py

Update with `pip install --upgrade tikup`.

-Forgot to remove a `print` statement. Oops

Update with `pip install --upgrade tikup`

-Fixed another bug with private/deleted videos

Update with `pip install --upgrade tikup`

-Fixed bug with private/deleted videos

Update with `pip install --upgrade tikup`.