v0.3.0

Added

• Packaging binaries
• Published on pypi. You can now pip install pyo3-pack
• A Dockerfile based on manylinux1

Fixed

• Travis ci setup builds all types of wheels for linux and mac
• --no-default-features --features auditwheel creates a manylinux compliant binary for pyo3-pack

Changed

• Replaced elfkit with goblin