Bignumber to store in HiBON
HiBON Document
Implements HiBON Hash-invariant Binary Object Notation Is inspired by BSON but us not compatible
HiBON Base64 with ':' added in the front of the string as an indetifyer is base64 base on the flowing ASCII characters "ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz 0123456789 +/"