Merge branch 'better-cache' into 'master'

.gitignore

.gitlab-ci.yml

apkg/cache.py

apkg/commands/build.py

apkg/commands/get_archive.py

apkg/commands/info.py

apkg/commands/make_archive.py

apkg/commands/srcpkg.py

apkg/util/common.py

ci/tests/test_apkg.py

docs/cache.md

docs/commands.md

docs/config.md

examples/minimal-no-git/README.md

examples/minimal-no-git/apkg-ex-minimal-no-git

examples/minimal-no-git/distro/config/apkg.toml

examples/minimal-no-git/distro/pkg/arch/PKGBUILD

...imal-no-git/distro/pkg/deb/apkg-ex-minimal-no-git.install

examples/minimal-no-git/distro/pkg/deb/changelog

examples/minimal-no-git/distro/pkg/deb/compat