Use module loggers rather than the root logger. Exceptions caused by bad clients shouldn't cause ERROR level logging. Fix sql logging to use 'repr' rather than 'str'

Add a few missing yields, Move deferred lists inside PreserveLoggingContext because they don't interact well with the logging contexts

Preserve logging context in a few more places, drop the logging context after it has been stashed to reduce potential for confusion

for all pdus sent.

Room initial sync