'After an update, which changes .py files, it is a good idea
to reload all modules (and get those changes from the py files into
memory) before continuing.
:return: None.
TODO: This still needs to be implemented, I tried some ideas from:
http://stackoverflow.com/questions/437589/how-do-i-unload-reload-a-python-module
http://code.activestate.com/recipes/81731-reloading-all-modules/
But both failed. What I want to avoid are bugs like the ones related to
the "complex type needs to implement..." DiskList.'

def reload_all_modules(self):

    pass
