Merge pull request #23 from django-pymemcache/topic/release_1.0.0

Bump version to 1.0.0 and update README for #19

Merge pull request #21 from Surgo/master

Fix condition for deploy to pypi

Merge pull request #20 from Surgo/master

Add support for Django 3.0. Drop support for old Django and Python 2.

Merge pull request #13 from django-pymemcache/feature/prepare_0.2.0

Prepare 0.2.0

README typo.