Nu

Module	What
`nu.context`	The Context fabric: the in-memory `ctx.attrs` and fabric bindings.
`nu.core`	Nu core: every interaction a program is built from.
`nu.domains`	Shape addon domain and future addon domains for nu.
`nu.engine`	Nu engine: domain-free Term + Attribute machinery and a dispatch contract.
`nu.factory`	nu.factory - atom builders on top of the language essentials.
`nu.forms`	Native Form layer.
`nu.inspect`	nu.inspect -- Nu describes itself, once, from the code.
`nu.lang`	Nu the language, layer 1 on the engine.
`nu.prog`	nu.prog: interactions over Nu programs.
`nu.tree`	Nu tree -- traversal, queries, and structural rewrites over Term trees.