Importing Zone fails in Python 3

[przemal]

I think someone forgot to cleanup print statement and now importing zone in Python 3 fails with syntax error ;)

Version 1.6.3

[grantholly]

I made a pull request that fixes this issue

#82

[whisk3y]

Merged the PR, we will be doing a new release (1.6.4) this week with that change and a couple other improvements as well.

[Marchowes]

fixed.