embolalia/willie — pull request #484 by Erethon (2014-03-13 16:33:52+00:00)
Title: [modules] Catch unhandled exceptions in multiple modules

Some modules didn't check if the user provided any input. This patches:
- .w [wikipedia]
- .temp [units]
- .distance [units]
- .ety [etymology]

Moreover, .listactions in [meetbot], didn't check if the meeting was started.