v4.0.0

What's Changed

• Reworked the Encoder to handle any generic object by @hmlendea in #11, #13, #14, #16, #18
• Added a static salt to the HMAC compute algorithm by @hmlendea in #12
• Wrote documentation for the public methods by @hmlendea in #15
• Added unit tests by @hmlendea in #17

Full Changelog: v3.0.0...v4.0.0