v0.9.2

• Token expiration is now checked after authentication and decryption to remove the impossibility of knowing if an expired token is valid or not. (Credit: @brycx #8)
• Updated Branca dependencies. f3d348f
• Replaced .description() with .to_string() to remove warnings in Rust 1.45.2 971364f
• Use as_secs() in Branca::new() #9
• More test vectors from the JS implementation were added #6