updated to read data from database not hardcoded
tag: Ch8_ex3 updated unit tests to read from database
added repo.zip
chapter 4
Merge branch 'master' of https://github.com/realpython/book3-exercises

Conflicts:
	django_ecommerce/main/fixtures/initial_data.json
	django_ecommerce/main/models.py
	django_ecommerce/main/views.py
	tests/main/testMainPageView.py
chapter 4