TODO for evalbot - please don't hesitate to implement these things (and
other that you might think of)
These tasks can be implemented in any order

 * fix utf8 issues with pugs: pugs complains about bad data when non-ascci
   chars are involved:
    18:30 < moritz> #pugs "ä"
    18:30 < exp_evalbot_test> OUTPUT[decodeUTF8': bad data: '\228'␤]