Toolchain updates

Upgrading from old-style setup.py system to pyproject.toml.

Also reworked the Makefile significantly.

Added type hint

Renamed license file

Version 1.0.1; Cleaned up documentation

Added rng package, convolve + kalman filters

Refactored algorithms + improved documentation

Clean up

Refactored into package, to use gap argument parser; Remade build system

Initial commit