Add .gitignore.
Add basic test running script.
Add function to calc DVs.
Fix runtests.sh
Add function to cal random cpf.
Add cpf validation function.
Merge branch 'feature/add-cpf-gen' into develop
Refactor test organization.
Refactor test organization.
Add basic main structure.
Rework main to use lua_cliargs.
Add digits-only flag.
Merge branch 'feature/add-main' into develop

Conflicts:
	runtests.sh
	spec/cpf_spec.moon
	tests.moon
	tests/cpf_spec.moon
Add license file.
Join similar tests.
Add function to calc DVs.
Add func to generate CNPJs.
Add function to validate CNPJ.
Merge branch 'feature/add-cnpj' into develop
Refactor cpf normalization.