adicionado o algoritimo de Luhn
adicionado o algoritimo de Luhn
Merge branch 'master' of github.com:achvaicer/1001

Conflicts:
	algorithms/math/luhn.py
Merge branch 'master' of github.com:achvaicer/1001

Conflicts:
	algorithms/math/luhn.py
Merge branch 'master' of github.com:achvaicer/1001

Conflicts:
	algorithms/math/luhn.py
Merge pull request #80 from achvaicer/master

Algorítimo de Luhn