Merge pull request #47 from Robzz/release/v0.3.1

Release v0.3.1

Merge pull request #39 from Robzz/release_0.3.0

Prepare for 0.3.0 release

Merge pull request #18 from Robzz/drop_cargo_dep

Drop cargo dependency

Merge pull request #17 from Robzz/release_0.1.5

Release version 0.1.5

Update version in Cargo.lock too (duh)

v0.1.3 release

Merge pull request #9 from Robzz/cli_opts

Make cleaning optional and add missing cargo doc options

v0.1.1 release

Update changelog
Add rustfmt.toml
Rustfmt pass

Add some package metadata before publishing