Added XML comments for exception classes.
Separated hash methods from encryption/decryption methods.
Changed the repository structure.
Removed readme.md
Added README.md and license information.
Added unit test project and hash service test.
Temporarily saved.
Replaced CryptoService with SymmetricService.
Refactored both SymmetricService and HashService.
Updated HashService.
Versioned up to 1.0.0.0