1.0.1

- cleans up code
- adds key to help menu

1.0.0

- removes commander
- converts all synchronous activity to async (no more blocking io)
  - increased speed 7% [322.030624ms -> 300.058158ms]

0.3.0

- code cleanup
- drops support for node@4
- updates license in package.json
- updates chalk@2.0.1 -> chalk@2.1.0