Added DiscretePDF to Distribution and NBayes.  There's a bug in DS_List which was causing AdaBoost not to look at all it's elements; I installed a work-around that results in a slight performance hit.
Added DiscretePDF to Distribution and NBayes.  There's a bug in DS_List which was causing AdaBoost not to look at all it's elements; I installed a work-around that results in a slight performance hit.

ehlemur/HLearn,mikeizbicki/HLearn,arnabgho/HLearn,mikeizbicki/HLearn,elkingtonmcb/HLearn,iamkingmaker/HLearn,elkingtonmcb/HLearn,mikeizbicki/HLearn,mikeizbicki/HLearn,elkingtonmcb/HLearn,cdepillabout/HLearn,iamkingmaker/HLearn,iamkingmaker/HLearn,elkingtonmcb/HLearn,mikeizbicki/HLearn,iamkingmaker/HLearn,elkingtonmcb/HLearn,arnabgho/HLearn,cdepillabout/HLearn,mikeizbicki/HLearn,cdepillabout/HLearn,arnabgho/HLearn,arnabgho/HLearn,elkingtonmcb/HLearn,ehlemur/HLearn,cdepillabout/HLearn,ehlemur/HLearn,arnabgho/HLearn,arnabgho/HLearn,cdepillabout/HLearn,cdepillabout/HLearn