Add more bases

Base16Upper, Base32Pad, Base32PadUpper, Base32HexPad, Base32HexPadUpper, Base36Upper, Base64Url, Base64UrlPad

Base 32, 36, 64

Fix base32, and support base 36 and base 64

Include base32, support arrays of zero bytes

v1.0.1

Fix base58 en/decoding of arrays of zero bytes.

Initial release

Initial release supports Base 1 and Base58BTC formats