Add a Makefile and bump patch version to 0.1.8

Move tests to `test` directory

DOC: Fix typo

ADD: `rope_edit/5`

Update .build.yml

Update .build.yml

Update .build.yml

Update .build.yml

Update .build.yml

Update .build.yml

Update .build.yml

Update .build.yml

Update .build.yml

Update .build.yml

Update .build.yml

Update .build.yml

Update pack info

Update pack info

Add bench.pl

Update README.md