Merge pull request rust-lang#1447 from ehuss/bump-version

Update to 0.4.6.

Bump 0.4.5

Merge pull request rust-lang#1360 from ehuss/release-next

Release 0.4.4

Fix macOS CI deploy take 2.

Fix release script LTO.

Merge pull request rust-lang#1269 from ehuss/update-changelog

Update changelog.

Merge pull request rust-lang#1264 from ehuss/update-changelog

Update changelog.

Release 0.3.7

Bump quote and failure.

quote 1.0.2 was yanked, update failure to stay compatible.

Release 0.3.5.