Refactoring normalize function
Merge pull request #21 from yashunsky/wp/refactoring/17

Refactoring normalize function
Hell lot of refactoring
Merge pull request #22 from yashunsky/wp/refactoring/19

Hell lot of refactoring
Even more refactoring
Merge pull request #23 from yashunsky/wp/refactoring/20

Even more refactoring
get rid of import math
indexation changed to np.matrix compatible style
Merge branch 'master' of https://github.com/yashunsky/wand