Bump version: 1.4.1 → 1.4.2

Bump version: 1.5.0 → 1.6.0

Merge pull request pinterest#97 from pinterest/prepare-1.4.1

Prepare the 1.4.1 release

Bump version: 1.3.0 → 1.4.0

Drop py26, py33; quote urls; mock redis

Bump version: 1.1.1 → 1.2.0

Bump version: 1.1.0 → 1.1.1

Bump version: 1.1.1 → 1.2.0

Bump version fixing bumpversion workflow, minor

Merge pull request pinterest#59 from pinterest/10

Prepare for v1.0.0 release