update packages to latest version

node_modules/npm/doc/api/npm-edit.md

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+npm-edit(3) -- Edit an installed package
+========================================
+
+## SYNOPSIS
+
+    npm.commands.edit(package, callback)
+
+## DESCRIPTION
+
+Opens the package folder in the default editor (or whatever you've
+configured as the npm `editor` config -- see `npm help config`.)
+
+After it has been edited, the package is rebuilt so as to pick up any
+changes in compiled packages.
+
+For instance, you can do `npm install connect` to install connect
+into your package, and then `npm.commands.edit(["connect"], callback)`
+to make a few changes to your locally installed copy.
+
+The first parameter is a string array with a single element, the package
+to open. The package can optionally have a version number attached.
+
+Since this command opens an editor in a new process, be careful about where
+and how this is used.