Fix max-age and freshness confusing zero and null.
Bumped branch alias to 0.2
Merge pull request #31 from GrahamCampbell/patch-1

Bumped branch alias to 0.2
Merge pull request #28 from deviantintegral/age-zero-null

Fix max-age and freshness confusing zero and null.
Merge pull request #30 from deviantintegral/stale-error-tests

Adds tests for stale-if-error behaviour.
Merge branch 'master' into dev