Merge pull request jupyter#849 from jhamrick/release-0.5.2

Release 0.5.2

Merge pull request jupyter#800 from jhamrick/0.5.x

Release 0.5.1

Update spelling wordlist

Regenerate docs

Merge pull request jupyter#652 from jhamrick/0.4.x

Make 0.4.0 release

Merge pull request jupyter#638 from jhamrick/0.3.x

Prepare the 0.3.3 release

Merge pull request jupyter#605 from jhamrick/0.3.x

Create 0.3.2 release

Bump version

Fix dependencies in conda recipe

Bump version