[] some bug fixed
Merge branch 'master' of https://github.com/NTsvyatkov/itacademy

Conflicts:
	store/views/products.py
Merge branch 'master' of https://github.com/NTsvyatkov/itacademy

Conflicts:
	store/models/product_dao.py
Merge branch 'master' of https://github.com/NTsvyatkov/itacademy
[#28] Improve method for pagination