JSON Object Signing and Encryption (JOSE) for Erlang

 JOSE stands for JSON Object Signing and Encryption which is a is a set of
 standards established by the JOSE Working Group.
 JOSE is split into 5 main components:
  * JOSE.JWA - JSON Web Algorithms (JWA) RFC 7518
  * JOSE.JWE - JSON Web Encryption (JWE) RFC 7516
  * JOSE.JWK - JSON Web Key (JWK) RFC 7517
  * JOSE.JWS - JSON Web Signature (JWS) RFC 7515
  * JOSE.JWT - JSON Web Token (JWT) RFC 7519
 Additional specifications and drafts implemented:
  * JSON Web Key (JWK) Thumbprint RFC 7638
  * JWS Unencoded Payload Option RFC 7797