4.0.0-alpha4

Added

• Add a Type\TypeInterface that each of the ramsey/uuid types implements.
• Support version 6 UUIDs; see http://gh.peabody.io/uuidv6/.

Changed

• Rename Type\IntegerValue to Type\Integer. It was originally named
  IntegerValue because static analysis sees Integer in docblock annotations
  and treats it as the native int type. Integer is not a reserved word in
  PHP, so it should be named Integer for consistency with other types in this
  library. When using it, a class alias prevents static analysis from
  complaining.
• Mark Guid\Guid and Nonstandard\Uuid classes as final.
• Add uuid6() method to UuidFactoryInterface.

Deprecated

• Uuid::UUID_TYPE_IDENTIFIER is deprecated. Use Uuid::UUID_TYPE_DCE_SECURITY
  instead.
• Uuid::VALID_PATTERN is deprecated. Use Validator\GenericValidator::VALID_PATTERN
  instead.