v0.6.0

Bug Fixes

• Conversion operations having poison results (#131)

New Features

• [breaking] Allow extension callbacks to have non-'static lifetimes (#128)
• [breaking] Support tket2.rotation.from_halfturns_unchecked (#133)

Refactor

• [breaking] remove trait emit op (#104)
• [breaking] rework extensions interface (#119)
• [breaking] move packaged extensions from crate::custom to crate::extension (#126)