Fix missing import MimeWriter
Use fallback languages
Add utility module with safe logging functions and new SAFELOGGING config option
Log more info during startup and after SIGHUP
Don't forget to close the extra-info descriptor file
Moar logging in parsing codez
Scrub client information before logging
HMAC isn't a logger, don't pass it args as if it is

Bug fix on #9237. Bug introduced in c0ee0d54
More bridge pool assignment debug output

Also more readable descriptor parser debug logging