Removing enacl and pbkdf2 to use Erlang crypto instead

Changed

• Were removed the following dependency libraries:
  • enacl
  • pbkdf2
    It allows to avoid the NIF for libsodium! and we use the Erlang crypto library instead.

Support for authentication

The following auth methods were added:

• password
• wampcra
• cryptosign

Minor logging changes

1.2.4

Bumped version 1.2.4