Small fixes

The error I'm talking about in the second commit is:

    Traceback (most recent call last):
      File "InactivePanes\inactive_pane.py", line 281, in <lambda>
        sublime.set_timeout(lambda: inpanes.on_deactivated(view), self.delay)
      File "InactivePanes\inactive_pane.py", line 248, in on_deactivated
        if module_name in vsettings.get('color_scheme'):
    TypeError: argument of type 'NoneType' is not iterable