Handle escapes in y args.
symlink
Add compilation step.
Use prepublish instead of install as per npm help scripts
recommendation.
Ignore .js
Squeeze two tests into one.
Factor out s into its own method
Cache cmd.re in local variable.
Empty RE in s pattern.
Empty RE in addrs still unimplemented.
Correct case.
test/!
Allow multiple !
Handle empty addresses
empty REs now documentated as implemented