Prefer 'require' function instead of deprecated 'module'. fix #23

[aw-engineer]

Summary

Refactor code to define packages with the pattern

local M = {}
M.method = ...
return M

to be loaded by the pattern

local complex = require("complex.lua")

How to test

test cases are defined by:

• tests/*.lua, and
• examples/*.lua

additional dependencies

• extends run_tests.sh to support command line options #25
• fix #24 function unpack was moved into table library #27

procedure

With the run_tests.sh from #25:

./tests/run_tests.sh -i "lua5.1 lua5.2 lua5.3 lua5.4" --coverage --noclean

observe no errors

With the run_examples.sh from #29:

./examples/run_examples.sh -i "lua5.1 lua5.2 lua5.3 lua5.4" --coverage

observe no errors

[aw-engineer]

test results from my integration branch here: https://github.com/aw-engineer/rFSM/actions/runs/9832970143

[aw-engineer]

merged and re-tested: https://github.com/aw-engineer/rFSM/actions/runs/9833826276

[kmarkus]

great, thank you!