4.0.0

• The package is now arokettu/bencode
• The namespace is now Arokettu\Bencode\
  • New class names can be used with old branches (1.8+, 2.8+, 3.1+)
• $options arrays now generate an exception if they are not empty
  • The parameters are kept for param order compatibility
• Passing class names to listType, dictType, and bigInt generates a TypeError
• listType, dictType, and bigInt callbacks receive iterable instead of array
• Dictionaries are converted to ArrayObject by default