Perhaps

What's Changed
* Add an example with a linked list by Daste745 in https://github.com/HKGx/perhaps/pull/1

New Contributors
* Daste745 made their first contribution in https://github.com/HKGx/perhaps/pull/1

**Full Changelog**: https://github.com/HKGx/perhaps/compare/0.3.2...0.4.1

Added 18b35eb: Fix missing overloads for Maybe in `__or__` and `__and__`

Fixed invalid `__version__` variable
Added monadic `bind` operation to Maybe

Removed `or_else` as it was misleading.
Added `unwrap_or` and `unwrap_or_else` inspired by Rust.
Added some documentation to Maybe methods

Improve publish workflow

Squashed implementation bugs and added more tests