Version 1.1.0 - Full message encoding and encryption

Release with full Whiteflag message and cryptographic functionality.
Improved encoding and decoding of Whiteflag messages.
Encryption and decryption of Whiteflag messages.
Whiteflag authentication tokens and blockchain account interface.
General improvements to code, documentation and dependencies.

Version 1.0.0 - Basic Whiteflag functionality

First major release with the basic structure of the library.
Documentation of the programming interface and functionality.
Encoding and decoding of Whiteflag messages.
Processing of JSON formatted messages.