This adds support for more hash algorithms. Also a stored password will
be updated to SSHA512 upon a successful bind. It will also automatically
hash a cleartext password if the `userpassword` field is modified with
a cleartext one.
Hashes supported:
* SSHA
* SSHA256
* SSHA512
Tests wrote in golang without framework Testing on the Bottin's behavior
Tests made:
- crated random Users and Group - LDAP ADD
- check the match between Consul's data and Test's data- LDAP
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- modify attributes and check them -
LDAP Modify