0.5.0
build: ensure console scripts are available on PATH during build (#221)
isort: fix missing config
Remove check for the existence of build-backend
tests: add test packages
build: add ProjectBuilder.metadata_path
main: build binary distributions via sdists by default
build: adopt black codestyle
build: validate the source directory passed to ProjectBuilder
tests: verify `get_dependencies` returns empty set when its hooks are undefined
build: warn about potential typos in the build system table