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