Lowbar

- Minor patch that changes the following:
python3
def __exit__(self, type, value, traceback) -> None:

to

python3
def __exit__(self, *exc) -> None:

Looks neater, and pylint doesn't whine

- Made `update_smooth()` partially non-blocking, instead of a full block

- PyPi Re-Release with updated README.md

- Reflected license changes in source (Because I forgot to ;-;)

- Switched from
python
sys.stdout.write(text)
sys.stdout.flush()

to
python
print(text, end='', flush=True)

- Switched to the MIT License
- Added context manager support