Import the print function from __future__

Otherwise the print() looks ... not so good with py2

Change-Id: Ia7e6925cf55073e20e269d3de6705f616f455933
Reviewed-by: Sergio Ahumada <sergio.ahumada@digia.com>
Fix --list-modules arg to do as advertised

Change-Id: I26aba3b0ce6f218c566051d8f4118c7e93f4ac84
Reviewed-by: Sergio Ahumada <sergio.ahumada@digia.com>