- added cached macro for memoization
- improved documentation for utils.rs
- added big integers, complex + rational numbers and arbitrary precision floats (rug)
- added Point2D class in geometry for ergonomic handling of points in 2D
- added block() method to better parse blocks without empty lines
- added pnums() method to parse positive numbers
- added Changelog
- improved code to clippy's standard
- added github actions
- improved README.md