initial refactor
make follow_recipe lookup default versions
update test fixtures
force symlinks
libvpkg.sh should not be executable
update recipe
ensure src exists
improve recipe coverage
update gitignore
use public interface for auto linking
fix typo in link()
fix bugs in recipe
let uninstall update PATH
update recipe
be sure to update PATH after install
update comment
update readme
increase .vpkg safety
make lib not executable
use bash instead of /bin/sh to run recipes