removed accidental .idea file
cleaned up Session 04 solutions
added Unicode to session 5
fixed bug in mailroom.py
added a get_langs solution
added a couple more solutions
added another solution
added one more solution
added some tests for mailroom
updated mailroom with dicts, Exceptions and tests...
added ability for mailroom to save files
added dict to switch between menu items
updated presntation for week 5
added examples for session 5
updated presentation for session 5
S5 readme.md starting