Merge pull request #254 from kyoshino/m4

Release version 4.0

Update history and bump version to 3.10 (#238)

Release version 3.9 (#225)

Release version 3.8 (#207)

Bump version to 3.7 and updates for changelog (#159)

Bump version to 3.6 and updates for changelog (#147) r=me

Bump version to 3.5 and updates for changelog (#130)

Bump version to 3.4 and updates for changelog (#95)

Merge pull request #72 from whimboo/version-3.3

Prepare versions and changelog for 3.3 release (#72)

Merge pull request #43 from whimboo/release

Create changelog and bump version to 3.2.2 (#43)