Fix compatibility with Python 3.x
Fix compatibility with Python 3.x

In Python 3 `print` is no longer a statement

apiaryio/drafter,apiaryio/drafter,obihann/snowcrash,obihann/snowcrash,apiaryio/snowcrash,obihann/snowcrash,apiaryio/drafter,apiaryio/drafter,apiaryio/snowcrash,apiaryio/drafter