v1.0.3

• Improve error handling (impl std Error)

v1.0.2

• Add error handling for padded decoding invalid length strings (i.e. missing/incomplete padding)
• Add capacity calculations for decode/encode_* on the alphabets, specifically to allow for padded calculations

v1.0.1

• Add Crockford lowercase alphabet

v1.0.0

Initial release: base32 + base64, encoding + decoding: raw bytes, numeric style: u64, u128, uuid