Dostya crashed.

Imho `crash avoided` is not connected with IRC-BRIDGE shutdown, but might be. It would be cool if we find what is the root of the problem, and why there was no reconnection.
```
[12/04/2020 - 14:15:07] [IRC-BRID] [WW] IRC error : [error] : [{"command":"ERROR","rawCommand":"ERROR","commandType
":"normal","args":["Closing Link: _Discord[static.149.153.201.138.clients.your-server.de] (Ping timeout: 180 second
s)"]}]. Connection presumably dropped.
[12/04/2020 - 14:15:07] [ ] [XX] -------------------------
[12/04/2020 - 14:15:07] [ ] [XX] CRASH AVOIDED! TypeError: Cannot read property 'has' of null
TypeError: Cannot read property 'has' of null
at sendMessage (/usr/src/dostya/scripts/behavior.js:2180:27)
at sendFromIrc (/usr/src/dostya/scripts/behavior.js:1487:13)
at stopIrc (/usr/src/dostya/scripts/behavior.js:882:9)
at restartIrc (/usr/src/dostya/scripts/behavior.js:919:9)
at EventEmitter. (/usr/src/dostya/scripts/behavior.js:862:13)
at EventEmitter.emit (events.js:185:15)
at EventEmitter.emit (domain.js:422:20)
at Client. (/usr/src/dostya/scripts/irc_uplink.js:43:32)
at Client.emit (events.js:180:13)
at Client.emit (domain.js:422:20)
[12/04/2020 - 14:15:07] [ ] [XX] -------------------------
[12/04/2020 - 14:15:07] [IRC-BRID] [WW] IRC error : [connectionEnd] : [undefined]. Connection presumably dropped.
[12/04/2020 - 14:15:07] [IRC-BRID] [WW] IRC error : [abort] : [0]. Connection presumably dropped.
[12/04/2020 - 14:15:22] [IRC-BRID] [WW] IRC error : [netError] : [{"code":"EPIPE"}]. Connection presumably dropped.
```