Sain

Added

- Examples
- Proper documentation.
- `Drop` protocol and `drop` function.
- `RefMut` type and `as_mut`.
- Tests
- `Default` is now slotted
- `.pyi` stubs.

Changed

- The `Some` type `__str__` now returns `Some(repr(value))` instead of just `repr(value)`.
- `Ref` now supports `__hash__`.
- `target_os` no accepts `windows` as an alias to `win32`.

Removed

- `Some.is_none_and` method since it made no sense.

Fixed

- `sain.cfg()` wasn't working correctly.

Addeed

- A type alias `Option[T]` for `Some[T]`.

Changed

- Export modules to top level.

Added

- First push

- Added target arch + python impl options.
- Some[T], Default[T], Ref[T], Iter[T] types.

Changed

- requires_modules option now accepts a sequence instead of tuple.

Removed

Fixed

- Fixed a bug where `cfg` was always returning `True`.