Update version of libs

Update django-cache-url and django-model-utils to latest version
Merge pull request #76 from luzfcb/patch-1

Update version of libs
fix(project_name): fix for repo_name used intead of project_name

It fixes the issue where `{{cookiecutter.repo_name}}` used in place of
`{{cookiecutter.project_name}}`. This creates a bug if the repo and
project are different.