v1.3.0

Enhancements

• Added options [as: :atom], [as: :binary] and [as: :charlist] to following functions the defualt is [as: :atom]
  • parent/2 and parent!/2
  • children/2 and children!/2
  • to_currency_code/2 and to_currency_code!/2
  • to_currency_codes/2 and to_currency_codes!/2
  • country_codes/2
• Improved specs
• Relaxed posion and jason dependency