make explain.py properly report errors
make explain.py properly report errors

cmarguel/skybot,parkrrr/skybot,jmgao/skybot,df-5/skybot,rmmh/skybot,andyeff/skybot,isislab/botbot,Teino1978-Corp/Teino1978-Corp-skybot,crisisking/skybot,Jeebeevee/DouweBot,craisins/wh2kbot,callumhogsden/ausbot,elitan/mybot,olslash/skybot,ddwo/nhl-bot,TeamPeggle/ppp-helpdesk,craisins/nascarbot,Jeebeevee/DouweBot_JJ15,SophosBlitz/glacon