Merge pull request #5 from msimerson/master

package.json: added FreeBSD to OS list
replace os whitelist with blacklist

consider this instead of whitelisting unix-like OS
bump version

overt hint: a new release would be great!
Merge pull request #6 from msimerson/os

replace os whitelist with blacklist
Merge pull request #7 from msimerson/version-bump

bump version