UUID library for Golang

 This library provides a pure Golang implementation of Universally Unique
 Identifiers (UUID) variant as defined in RFC-4122. This package supports
 both the creation and parsing of UUIDs in different formats.
 .
 The library supports the following UUID versions:
  * Version 1, based on timestamp and MAC address (RFC-4122)
  * Version 2, based on timestamp, MAC address and POSIX UID/GID (DCE 1.1)
  * Version 3, based on MD5 hashing of a named value (RFC-4122)
  * Version 4, based on random numbers (RFC-4122)
  * Version 5, based on SHA-1 hashing of a named value (RFC-4122)