when the default stable version doesn't satisfy, get all available versions from nodejs.org/dist
changelog's been dead for 18 months
update year in license
improve comments and status messages
bump node test version
update expected test output
add readies and update package.json files in tests to keep newer versions of npm from polluting stderr
passing tests: testPackageJsonWithoutVersion, testPackageJsonWithStableVersion, testPackageJsonWithUnstableVersion
testProfileCreated
bring caching back
newline at end of files
make sure node_version is set, test for caching output