left/join messages filtering capability per chat and per user

[whoizit]

it's noisy flooding

19:30 --> Tоx User has joined the group
19:40 <-- Tоx User has left the group
19:45 --> Tоx User has joined the group
19:56 <-- Tоx User has left the group
19:57 --> Tоx User has joined the group
19:58 <-- Tоx User has left the group
20:00 --> Tоx User has joined the group
20:01 <-- Tоx User has left the group
20:01 --> Tоx User has joined the group
20:13 <-- Tоx User has left the group
20:18 --> Tоx User has joined the group
20:30 <-- Tоx User has left the group
20:34 --> Tоx User has joined the group
20:47 <-- Tоx User has left the group
20:47 --> Tоx User has joined the group
20:48 <-- Tоx User has left the group
20:49 --> Tоx User has joined the group

[whoizit]

this user says it may be related to the use of TOR

[JFreegman]

this user says it may be related to the use of TOR

This is possible. The spam indicates either a poor connection or someone purposely joining and leaving the group over and over again.