remove ipython and ipdb, they don't work with 2.6
remove ipython and ipdb, they don't work with 2.6

kylemsguy/limbo,serverdensity/sdbot,Marclass/limbo,dorian1453/limbo,TetraEtc/limbo,signalnine/alanabot,llimllib/limbo,llimllib/limbo,sentinelleader/limbo,freshbooks/limbo,palachu/sdbot,rizaon/limbo,mmisiewicz/slask,michaelMinar/limbo,TetraEtc/limbo,shawnsi/limbo,ruhee/limbo