v1.8.0

• Added ResourceBundle.new() function for creating resources, adding
  them to the bundle and then returning them for immediate
  configuration.
• Added .keys(), .values() and .items() to the bundles settings
  object to make it more compatible with dict operations.
• Updated v1.14 and v1.15 to latest versions.
• Introduces v1.16 and changes pre to target 1.16.