Revert "Revert "Synced with justinfx/MayaSublime and added support for __file__""

This reverts commit a492d5874f6f9baa7b4b591eaa0aa67619039440.
Revert "Synced with justinfx/MayaSublime and added support for __file__"

This reverts commit c1e4becfb9db29263304222f5ff5fa185335c171.