Create a new Sugar Activity for running PySoy. Because Sugar is written to use legacy Python (2.x), this will involve writing a thin wrapper to run Python 3 as a subprocess. In most other ways this should be identical to making a new Sugar Activity.

While working on this task you should join and remain in #CopyleftGames on Freenode to get help, feedback, and guidance from mentors and other developers. Code updates which may affect your work are also announced here as they happen.

When you've done, commit your work and post the resulting changeset url to this task.