v4.0.1 (2016-12-14)

WHOOPS

• fb9b1ce Merged so many patches at once that the code fencing (@adius) added got broken. Sorry, (@adius)! (@othiym23)

v4.0.0 (2016-12-13)

BREAKING CHANGES

• 651d447 When parsing String-typed arguments, if the next value is "", don't simply swallow it. (@samjonester)

PERFORMANCE TWEAKS

• 3370ce8 Simplify initialization. (@elidoran)
• 356e58e Store Array.isArray(types[arg]) for reuse. (@elidoran)
• 0d95e90 Interpret single-item type arrays as a single type. (@samjonester)
• 07c69d3 Simplify key-value extraction. (@elidoran)
• 39b6e5c Only call Date.parse(val) once. (@elidoran)
• 934943d Use osenv.home() to find a user's home directory instead of assuming it's always $HOME. (@othiym23)

TEST & CI IMPROVEMENTS

• 326ffff Fix /tmp test to work on Windows. (@elidoran)
• c89d31a Only run Windows tests on Windows, only run Unix tests on a Unix. (@elidoran)
• affd3d1 Refresh Travis to run the tests against the currently-supported batch of npm versions. (@helio-frota)
• 55f9449 tap@8.0.1 (@othiym23)

DOC TWEAKS

• 5271229 Use JavaScript code block for syntax highlighting. (@adius)
• c0d156f The code sample in the README had many2: [ oneThing ], and now it has many2: [ two, things ]. (@silkentrance)