[DEP] [BROKE] new dependency: pytz (pip3 install pytz)
[FIX] fixed media downloading with telethon 0.18
[FIX] now using server time zone in status messages instead of UTC
[UPD] now removing chats & supergroups completely after we leaving with !leave command
[ADD] added commands:
!remove — completely remove current user from contact list
!import phone firstname lastname — try to add contact with phone number (untested)