first commit
adding chapter 2
adding Ch2 data
adding ch3
adding Ch04
adding Ch05
adding Ch06
adding Chapter 7
corrected Ch02
removed Ch2
updated README
removed alcholisim refrence from example
no more alchol refrences in treePlotter.py
updated EXTRAS to remove the word: tatoo
updated kNN.py to use dict.get()
updated trees.py for improvement in classify()
created fpGrowth, will be polished later
updated fpGrwoth.py
changed updateHeader
adding ch11