Andrewtools

Fix

- Moved utils package inside of andrewtools package for namespacing reasons

Features

- TODO: added optional integration of `AndrewTimer` into `progress_bar`

Features

- Added `AndrewTimer` class, an easy-to-user execution timer
- Shortened name of `print_progress_bar` to `progress_bar`

Test

- Added tests for `AndrewTimer` and updated tests for `progress_bar`

- First release of `andrewtools`

Feature

- `print_progress_bar` function to display the progress of loops in the command line

Tests

- Pytest tests added for print_progress_bar and internal utility function `validate_input`