2 - Prevent calls from Libevent from inside Libevent log handlers.
3 This had potential to cause a nasty set of crashes, especially if
4 running Libevent with debug logging enabled, and running Tor
5 with a controller watching for low-severity log messages.
6 Bugfix on 0.1.0.2-rc. Fixes bug 2190.
7 - Make Libevent log messages get delievered to controllers later,
8 and not from inside the Libevent log handler. This prevents
9 unsafe reentrant Libevent calls while still letting the log