Fixed a bug where lookup.search would fail with an error when an invalid domain was provided.
Fixed a bug where lookup.search would fail with an error when an invalid domain was provided.

raboof/supybot,frumiousbandersnatch/supybot-code,Ban3/Limnoria,mazaclub/mazabot-core,jeffmahoney/supybot,Ban3/Limnoria,haxwithaxe/supybot,ProgVal/Limnoria-test,prashantpawar/supybot-rothbot,kblin/supybot-gsoc,mazaclub/mazabot-core,buildbot/supybot,ProgVal/Limnoria-test