Merge pull request #84 from rustwasm/little-cleanups-and-version-bump

Little cleanups and version bump

Bump to 0.4.4

Merge pull request #79 from rustwasm/bump-to-0-4-3

Bump version to 0.4.3.

Bump to version 0.4.2

Merge pull request #47 from rustwasm/bump-to-0-4-1

Bump to version 0.4.1

Add CHANGELOG entry for 0.4.0

Merge pull request #37 from rustwasm/bump-to-0.3.0

Bump to version 0.3.0

Add the wasm crates.io category

Add Cargo.toml description