Command line tools
pen command has the following sub-commands.
For more information, see its help message by running
It builds a package in the current directory.
It creates a package of a given kind in a specified directory.
Creating an application package
pen create foo
Creating a library package
pen create --library foo
It runs test modules in a package. See also Testing.
It formats all module files in a package.
It generates a documentation file of a package and emits it to stdout.
pen document \
--name Foo \
--description "A package to provide Foo" \