Adds username to record.msg, so that telegram, discord, matrix and pushover would send not just record.msg, but f"[{username}] " and then msg. console_username setting is now used to control this. console_handler also respects this setting as it shows the same record.msg.
Fixes #376
Adds username to record.msg, so that telegram, discord, matrix and pushover would send not just record.msg, but f"[{username}] " and then msg. console_username setting is now used to control this. console_handler also respects this setting as it shows the same record.msg.