HashMe: This function handle a 'file' or '[]byte' as arguments.

Md5File: Get MD5 checksum from file, 'devMode' means break on error.

Md5String: Get MD5 checksum from string.

AES256CipherStruct: Structure that contain information for encrypting/ decrypting file or data.

Base64: Structure that handle 'Encode' & 'Decode' method to/from 'Base64'.