def add_to_pythonpath(self, path):
        """Add path to project's PYTHONPATH
        Return True if path was added, False if it was already there"""
        pathlist = self.get_pythonpath()
        if path in pathlist:
            return False
        else:
            pathlist.insert(0, path)
            self.set_pythonpath(pathlist)
            return True
Add path to project's PYTHONPATH
        Return True if path was added, False if it was already there