Enable multiplatform builds.

Combine into a single target for multiple platforms.

Nullability tags and an initializer fix intended to significantly red…

…uce error logging from Foundation framework.

Corrected and tested chanuka calculations.

Swift interop enhancements.

Improved documentation and added calls for localization and app listi…

…ng submission.

Fixed a typo.

Fix latest chametz times.

Fixed some text in the burn chametz times.

Fixed #119.