bmintz 24c0946a93 bot.unload_extension: also allow events with no module
It turns out that events created in an eval command also cause
the issue described in #1506.

Ensure that events we remove are part of a module as well.

Also performs minor comment maintenance
("x", "first y", "then z") -> ("x", "y", "z")
2018-11-24 22:51:16 -05:00
..
2018-11-24 22:17:58 -05:00
2018-11-24 22:17:58 -05:00