v0.1.9

New features

• Support zeroizing secrets with new feature zeroize
• Allow Secrets to be unsized
• Secrets are now #[repr(transparent)]
• serde feature now supports no_std

Internal

• remove duplicate #[must_use]
• stop repeating versions in dev-dependencies
• use elided lifetimes for SerializableSecret
• make serde feature explicit
• fixed clippy lints