Release of version 0.3.0
- [MIGHT BREAK THINGS] All mail headers will preserved now, if you want to
suppress headers you'll have to remove them yourself from now on. - Strip "headers" when stripping inline signature (patch by @duckdalbe)
- support hkps URI scheme
- bugfix for verifying the "encapsulated" variant of pgp/mime (patch by @duckdalbe)