Allow to install to the specified directory with "--directory" option.
Add --global option to 'install'. If --global is T, it installs to /usr/local/.
Add 'uninstall'.
Load just copied Shelly for overwriting the path of asdf:system-source-directory.
Update README.
No problem with --core & loading 'shlyfile's during installing or dumping a core anymore.
Fix bin/shly a little bit.
Don't display NIL if documentation is not set.
Don't use package clarified symbols.
v0.8.1