[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)
[SVN] bump to version 2.0
[UPD] now transport working with telethon 0.15.5 and sleekxmpp 1.3.2
[FIX] fixed everlasting authorization requests. if you got deauth message — ignore it, FROM subscription is enough.
[ADD] implemented roster exchange via XEP-0144
[ADD] we will send authorization request when unknown contact sent us a message
[ADD] correct presence handling for transport and users
[ADD] fixed presence spam (by default, we updating presence once for 60 seconds -- look at `status_update_interval` in mtproto.py)
[ADD] we will automatically connect to all actual sessions after transport start
