Add documentation about haval algorithm.
Create interface for digest the given message
Create abstract class for basic operations on hash.
Create class with attributes for haval algorithm,
Add missing test for BaseHash class.
Improve class BaseHash.
Create class for TDD of haval algorithm
Add class for haval algorithm.
Add missing  pom configuration to project.
Remove unnecessary methods.
Add static variable to Haval attributes.
Add comments to constructors for haval algorithms
Create method to check proper output size.
Create TDD test for check proper amount of rounds.
Implement method for check amount of rounds.
Implement method for reset instance.
Create TDD test for utils.
Add class for utils methods.
Add base static fields and private constructor.
Refactor method intArrayToHexStr for SHA1 class.